Descending from Lions' Gate on the eastern flank of the Old City of Jerusalem into the floor of the Kidron Valley and looking up toward the lower slope of the Mount of Olives, pilgrims encounter a radiant church facade glowing in the afternoon light. Six tall Corinthian columns support a triple-arched portico crowned by statues of the Four Evangelists, while above them blazes a monumental gold-ground mosaic depicting Jesus Christ kneeling beside a bare rock, extending His arms as the Divine Mediator between God the Father in the starry heavens and weeping humanity on either side. Immediately adjoining the northern stone wall of the basilica lies a tranquil, iron-fenced garden where eight gnarled, sculpted olive trunks continue to put forth silver-green leaves after centuries of silent witness.
Stepping through the massive bronze entrance doors into the interior, the bright Mediterranean sunlight gives way abruptly to a solemn violet twilight filtered through translucent purple alabaster windows beneath twelve low midnight-blue domes sprinkled with golden stars. Visitors are standing inside the Church of All Nations at Gethsemane (known officially in Catholic liturgy as the Basilica of the Agony, or in Italian as the Basilica dell'Agonia). Designed and constructed between 1919 and 1924 by the celebrated Italian architect Antonio Barluzzi through financial contributions from twelve nations around the world, this sanctuary rests directly upon the foundations of a fourth-century Byzantine basilica to enshrine the Rock of the Agony, where Christian tradition venerates the solitary prayer and agony of Jesus on the night before His Crucifixion.

IChrist's Prayer in Gethsemane, the Rock of the Agony, and the Meaning of the Twelve Nations
According to the four canonical Gospels (Matthew 26:36 to 46, Mark 14:32 to 42, Luke 22:39 to 46, and John 18:1 to 2), after celebrating the Last Supper and instituting the Eucharist in the Cenacle on Mount Zion on Holy Thursday evening, Jesus walked with His disciples across the Kidron brook to an olive grove at the foot of the Mount of Olives known as Gethsemane. The name Gethsemane derives from the Hebrew and Aramaic phrase Gat Shemanim, meaning Oil Press (where olives harvested from the hillside were crushed under heavy stone rollers to produce lamp oil and consecrated anointing oil). Leaving eight of the Apostles near the entrance of the grove (inside the nearby Gethsemane Grotto), Jesus took Peter, James, and John further into the garden, withdrew about a stone's throw from them, and fell prostrate upon the bare limestone bedrock in prayer to the Father.
On this spot unfolded the spiritual drama commemorated in Catholic devotion as the Agony in the Garden (Agonia in Horto, the First Sorrowful Mystery of the Rosary). Confronted with the weight of human sin and the approaching cup of His Passion, Jesus experienced such profound anguish of soul that His sweat became like great drops of blood falling down upon the ground (Luke 22:44, a rare physiological phenomenon known in medicine as hematidrosis). While the three disciples slept from exhaustion and sorrow, an angel appeared from heaven to strengthen Him, and Jesus uttered the words of complete filial surrender that opened the way of redemption: Father, if you are willing, remove this cup from me; yet not my will, but yours be done.
Spread out directly in front of the high altar of the modern basilica is the exposed Rock of the Agony, a rough shelf of natural grayish-white Mount of Olives limestone measuring roughly 4 meters long by 3 meters wide. Rather than enclosing the sacred stone behind a high wall, architect Antonio Barluzzi surrounded it with a low wrought-iron and silvered sculptural railing shaped like a Crown of Thorns intertwined with olive branches, chalices, and doves and sparrows drinking drops of sacrificial blood. For over sixteen hundred years, Christian pilgrims have knelt beside this stone, placing their hands and foreheads directly upon the bare bedrock in solidarity with all who suffer loneliness, grief, and trial.
The popular title Church of All Nations arose from the international fundraising campaign organized by the Franciscan Custody of the Holy Land after World War I (between 1919 and 1924). Catholic communities from twelve nations across Europe and the Americas contributed funds for the construction of the twelve vaulted bays of the church: Argentina, Belgium, Brazil, Canada, Chile, England, France, Germany, Italy, Mexico, Spain, and the United States. In gratitude for this worldwide communion (and recalling the prophecy of Isaiah 56:7, My house shall be called a house of prayer for all peoples), Barluzzi inlaid the national coats of arms of those twelve donor nations inside the twelve starry ceiling domes, while faithful from Australia, Hungary, Ireland, and Poland donated the apse mosaics and the wrought-iron Crown of Thorns around the Rock of the Agony.
In 2012, a comprehensive botanical, radiocarbon, and genetic study conducted by the Italian National Research Council (CNR) in collaboration with five Italian universities under Professor Antonio Cimato examined the eight gnarled olive trees standing in the adjoining Garden of Gethsemane. Presented at the Vatican in October 2012, the scientific findings established two remarkable facts: first, carbon-14 dating of the oldest surviving heartwood in the hollow aerial trunks dated three of the testable trunks to 1092, 1166, and 1198 CE (over 900 years old, ranking them among the oldest living broadleaved olive trees in the world, their aerial trunks having been rejuvenated and pruned during the Crusader era from older root systems after Roman legions cut down the trees around Jerusalem during the siege of 70 CE); second, DNA fingerprinting proved that all eight ancient trees share an identical genetic profile, meaning all eight were propagated as clones from a single ancient parent tree whose underground rootstock (genet) reaches back into antiquity.
Pilgrims visiting Gethsemane should distinguish clearly between the two complementary Franciscan sanctuaries located about one hundred meters apart at the foot of the Mount of Olives: the Church of All Nations (Basilica of the Agony) beside the olive garden marks the solitary spot where Jesus withdrew a stone's throw away to pray alone upon the Rock of the Agony; whereas the Grotto of Gethsemane (Grotta del Getsemani, situated just north across the lane near the subterranean Tomb of the Virgin Mary) is the natural limestone cave housing an ancient olive press where Jesus and the Twelve Apostles often lodged at night, where the eight disciples waited, and where Judas Iscariot led the temple guards to betray Jesus with a kiss.
IIThree Successive Sanctuaries Across Sixteen Centuries and the Vision of Antonio Barluzzi
Liturgical veneration of the Rock of the Agony in Gethsemane dates back to the earliest Christian community of Jerusalem and received monumental architectural form in the late fourth century. Under the Roman Emperor Theodosius I (between 379 and 384 CE), an elegant three-aisled Byzantine basilica was erected directly over the Rock of the Agony, which rose uncovered at the center of the sanctuary presbytery. When the Spanish pilgrim Egeria visited Jerusalem between 381 and 384, she left a vivid eyewitness account of this graceful church and the nocturnal torchlight liturgy celebrated there on Holy Thursday night, when the Gospel passage of Christ's agony was chanted amidst the loud weeping of the entire congregation.
The fourth-century Byzantine basilica was burned by the Sasanian Persian army of Khosrow II in 614 CE and completely toppled by the great Jordan Valley earthquake of 746 CE. In the twelfth century, during the Crusader Kingdom of Jerusalem, Western builders erected a larger three-apsed church known as the Basilica Salvatoris (Basilica of the Savior) over the ruins, rotating its axis roughly thirteen degrees toward the southeast. After the Crusader church fell into ruin by 1345, the friars of the Franciscan Custody of the Holy Land legally acquired the Garden of Gethsemane between 1666 and 1681, enclosed the eight ancient olive trees within a protective wall in 1848, and carried out archaeological excavations in 1891 and 1920 prior to erecting the present basilica.
- c. 379 to 384 CEConstruction of the fourth-century Byzantine basilica under Emperor Theodosius IThe first three-aisled Christian basilica is built directly over the Rock of the Agony, praised by the pilgrim Egeria and Saint Jerome as an elegant sanctuary at the foot of the Mount of Olives.
- 614 and 746 CEPersian destruction and collapse in the 746 Jordan Valley earthquakeSasanian Persian forces burn the Byzantine basilica in 614; after temporary repairs, the structure is leveled by the catastrophic earthquake of 746.
- 12th Century (c. 1150)Crusaders build the Basilica of the Savior (Basilica Salvatoris) on a shifted axisCrusader masons erect a large church over the site on an axis rotated 13 degrees southward; the building deteriorates after 1187 and lies in ruins by 1345.
- 1681 and 1848Franciscan Custody acquires Gethsemane and walls the ancient olive groveIn 1681 the Garden of Gethsemane is formally deeded to the Franciscan Custody of the Holy Land, which builds a protective wall around the eight ancient olive trees in 1848.
- 1919 to 1920Father Gaudenzio Orfali excavates the fourth-century Byzantine foundations and mosaicsWhile digging foundations in 1920, Franciscan archaeologist Father Gaudenzio Orfali uncovers the columns, apses, and polychrome floor mosaics of the fourth-century Theodosian basilica beneath the Crusader layer.
- 1922 to June 1924Architect Antonio Barluzzi redesigns and completes the Church of All NationsAntonio Barluzzi halts work on the Crusader alignment and redesigns the new basilica to sit directly on the exact footprint and axis of the fourth-century Byzantine church, consecrated in June 1924 with funds from 12 nations.
- Jan 4, 1964 and 2012Papal pilgrimage of Pope Paul VI and CNR scientific dating of the olive treesPope Paul VI prays at the Rock of the Agony in 1964 (followed by Pope John Paul II in 2000 and Pope Francis in 2014); in 2012 Italy's CNR announces the 900-year radiocarbon age and shared DNA of the eight olive trees.
The decisive 1920 archaeological discovery of Father Gaudenzio Orfali and Antonio Barluzzi. When the Franciscan Custody began digging foundation trenches for a new church in late 1919, Italian architect Antonio Barluzzi (1884 to 1960, celebrated as the Architect of the Holy Land for masterpieces including the Church of the Beatitudes, the Basilica of the Transfiguration on Mount Tabor, and Dominus Flevit) initially aligned his plan with the twelfth-century Crusader church ruins. In 1920, however, as workmen dug deeper beneath the Crusader pavement, Franciscan archaeologist Father Gaudenzio Orfali uncovered the original column bases, three semicircular apses, and vibrant geometric floor mosaics of the fourth-century Byzantine basilica, revealing how the fourth-century builders had centered their sanctuary directly around the natural contour of the Rock of the Agony.
Without hesitation, Barluzzi and Father Orfali abandoned the partially poured foundations on the Crusader axis and drew up a completely new architectural design that placed the modern basilica millimeter for millimeter upon the exact foundations and east-west orientation of the fourth-century Byzantine church. Even more remarkably, inside the floor of the Church of All Nations today, Barluzzi inlaid colored marble bands tracing the exact wall lines of both the Byzantine and Crusader churches, while leaving sunken glass-covered openings in the pavement where visitors can look directly down at the original 1,600-year-old Byzantine mosaics preserved in situ.
IIIThe Golden Mediator Facade, Twelve Nocturnal Starry Domes, and the Millennial Olive Grove
Architectural historians widely regard the Church of All Nations as one of Antonio Barluzzi's most evocative creations for the way its structure, materials, and lighting translate the Gospel narrative of Gethsemane into physical space. Departing from the traditional basilican profile with a raised clerestory nave, Barluzzi designed a single-level hall church of three equal aisles (measuring roughly 42 meters long by 25.5 meters wide), divided into twelve square bays roofed by twelve low hemispherical domes resting upon six monolithic columns of warm pinkish stone quarried near Bethlehem.
The defining sensory feature of the interior is its nocturnal lighting: instead of clear glass or bright multi-colored stained glass, all the side windows are fitted with thin translucent panes of deep purple and violet-blue alabaster, which blend with the indigo-blue mosaic vaults studded with golden stars and bronze olive branches overhead. Even when the midday sun blazes outside over the Kidron Valley, stepping inside the basilica immerses the pilgrim in the quiet, shadowy twilight of Passover night in the olive grove.
Facing west toward the Old City of Jerusalem, the main facade opens with a deep atrium portico supported by clusters of Corinthian columns, surmounted on four pillars by monumental stone statues of the Four Evangelists (Matthew, Mark, Luke, and John). Filling the triangular pediment above is a radiant gold-glass mosaic designed by Professor Giulio Bargellini depicting Christ kneeling at the rock as Mediator between God the Father (represented by the Alpha and Omega in the heavens) and sorrowing humanity: on the left gather the humble and weeping poor, while on the right stand rulers, warriors, and scholars acknowledging the limits of human power. Crowning the apex of the roof is a bronze cross framed by antlers and flanked by two stags (evoking Psalm 42: As the deer longs for running streams).
The central portal is closed by massive cast-bronze doors sculpted by Alberto Gerardi in the form of a stylized Tree of Life whose branches frame the Four Evangelists and symbols of the Passion. Inside the hall, the vaulted ceiling is carried on two rows of three monolithic columns of polished pinkish-buff limestone from Bethlehem, crowned by capitals carved with olive foliage and passionflowers.
The roof comprises twelve low saucer domes (arranged in three longitudinal rows of four domes each), visible externally as twelve lead-covered cupolas. Internally, each dome is lined with dark midnight-blue mosaics sparkling with golden stars and olive branches, and at the zenith of each dome shines the national coat of arms of one of the twelve nations that funded the basilica (Argentina, Belgium, Brazil, Canada, Chile, England, France, Germany, Italy, Mexico, Spain, and the United States).
Directly in front of the sanctuary steps rises the exposed limestone bedrock of the Rock of the Agony (roughly 4 by 3 meters), encircled by a wrought-iron and silvered sculptural railing shaped like a Crown of Thorns interwoven with olive branches, chalices, and birds (donated by the Catholics of Australia). Immediately behind the rock stands the Papal High Altar carved from reddish-pink breccia marble veined like drops of blood, its pedestal sculpted in the form of a great Chalice recalling Christ's prayer over the cup of suffering.
Set into the eastern wall are three semicircular apses lined with dramatic mosaics: the central apse (donated by Hungary) portrays Jesus kneeling in agony upon the rock while the comforting Angel descends in a beam of heavenly light; the left northern apse (funded by Poland and Ireland) depicts the Kiss of Judas surrounded by torch-bearing guards; and the right southern apse (donated by Canada) shows Jesus stepping forward to ask the soldiers Whom do you seek as they fall back to the ground.
Immediately outside the northern side door lies the 1,200-square-meter Garden of Gethsemane, where Franciscan friars tend the eight ancient olive trees whose aerial trunks exceed 900 years of age and share a single ancient root system. About 100 meters north along the lane (beside the steps to the Tomb of the Virgin Mary) lies the natural limestone Grotto of Gethsemane (17 by 9 meters), preserving the rock-cut installations of an ancient olive press where the Apostles rested on Holy Thursday night.
| Architectural Feature | Date and Artist or Donor Nation | Technical details and theological symbolism |
|---|---|---|
| West Portico and Mediator Mosaic | 1924 (Antonio Barluzzi, Giulio Bargellini) | Corinthian columned porch, 4 Evangelist statues, golden pediment mosaic of Christ the Mediator, and stag-antler rooftop cross |
| Three-Aisled Hall and 12 Starry Domes | 1919 to 1924 (Funded by 12 nations) | 42 m by 25.5 m hall on 6 monolithic Bethlehem pink stone columns, 12 midnight-blue domes with national coats of arms, purple alabaster windows |
| Rock of the Agony and Crown of Thorns | Natural Mount of Olives bedrock; 1924 ironwork (Australia) | 4 x 3 m exposed limestone bedrock before the Chalice High Altar, framed by a wrought-iron Crown of Thorns, olive branches, and chalices |
| Three Eastern Apse Mosaics | 1924 (Hungary, Poland, Ireland, Canada) | Three mosaic apses depicting Christ's Agony (center), the Kiss of Judas (left), and Christ confronting the arresting soldiers (right) |
| Byzantine and Crusader Floor Remains | 4th century (379 to 384) and 12th century | In-situ fourth-century polychrome geometric floor mosaics visible beneath glass panels and marble bands tracing the Crusader church walls |
| Olive Garden (8 Ancient Trees) and Grotto | Ancient rootstock (trunks dated 1092 to 1198) | 1,200 sq m garden containing 8 genetically identical ancient olive trees and the nearby 17 x 9 m cave with olive-press installations |
IVThe Lie of the Land and the Facing
It should be stated clearly from the outset that the Catholic Church and the Franciscan Order do not teach or practice East Asian geomancy (feng shui) in siting or designing sanctuaries. The location of the Church of All Nations was fixed entirely by the natural outcrop of the Rock of the Agony at the foot of the Mount of Olives, and its axial alignment was set by architect Antonio Barluzzi to match the exact east-to-west liturgical orientation of the fourth-century Byzantine basilica (with the apses facing East toward the rising sun, symbol of the Risen Christ). The observations below offer a comparative reading through the traditional landform framework of the Hall of Myriad Paths library.
Viewed across the valley topography east of the Old City of Jerusalem at coordinates 31.7792 degrees north, 35.2396 degrees east, the Church of All Nations and the Garden of Gethsemane rest at an elevation of roughly 695 meters above sea level right at the western foot of the Mount of Olives where the mountain slope meets the floor of the Kidron Valley. In traditional landform analysis, this transition zone at the base of a great ridge forms a classic mountain-foot sanctuary node: rising immediately behind the eastern apses of the basilica to a height of over 815 meters is the broad limestone mass of the Mount of Olives, serving as a monumental supporting rear mountain (Black Tortoise) that shelters the olive grove from the arid winds of the eastern desert; curving gently to the north (toward Mount Scopus) and to the south (past Dominus Flevit toward the Kidron bend) are flanking spurs that act as Azure Dragon and White Tiger arms embracing the garden.
With respect to axial orientation and visual dialogue across the valley, the basilica is built along an east-southeast to west-northwest axis: its three apses and the Rock of the Agony are anchored against the mountain foot in the East, while its Corinthian portico and golden Mediator mosaic open directly toward the West. Directly in front of the church parvis runs the deep ravine of the Kidron Valley (the ancient winter stream bed flowing from north to south), which serves as an inner bright hall and water-gathering channel; looking straight across the valley only three hundred meters away rises the eastern rampart of the Old City of Jerusalem (with the sealed Golden Gate), crowned by the golden cupola of the Dome of the Rock and, further west, the domes of the Church of the Holy Sepulchre on Golgotha. This dramatic face-to-face alignment across the Kidron ravine creates one of the most powerful spiritual sightlines in the Holy Land, linking the quiet olive garden of prayer directly to the walled city of the Passion.
VThe Holy Thursday Night Vigil, Torchlight Procession, and Franciscan Liturgical Traditions
Liturgical life at the Church of All Nations and the Garden of Gethsemane follows the Roman Catholic liturgical calendar (Gregorian calendar) under the pastoral care of the friars of the Franciscan Custody of the Holy Land (Custodia Terrae Sanctae). Every Thursday evening throughout the year, the Franciscan community celebrates the traditional Holy Hour at Gethsemane beside the Rock of the Agony.
| Date | Calendar system | Liturgical Event or Observance | Traditions and rites at the Church of All Nations and Gethsemane |
|---|---|---|---|
| Holy Thursday Night at 9:00 PM (March or April) | Gregorian (movable with Easter) | Solemn Holy Hour of the Agony and Torchlight Procession | The liturgical pinnacle of the year: the Custos of the Holy Land presides over a multilingual Holy Hour around the Rock of the Agony (a tradition attested by Egeria in the 4th century), scattering red rose petals over the stone in memory of Christ's drops of blood, followed by a silent candlelight procession across the Kidron Valley to St. Peter in Gallicantu on Mount Zion. |
| Palm Sunday Afternoon (one week before Easter) | Gregorian (movable) | Solemn Palm Sunday Procession from Bethphage past Gethsemane | Tens of thousands of pilgrims carrying palm and olive branches descend the western slope of the Mount of Olives from Bethphage, passing directly in front of the Church of All Nations before entering the Old City through Lions' Gate. |
| Every Thursday Evening (8:00 PM to 9:00 PM) | Weekly Liturgical Cycle | Weekly Franciscan Holy Hour (Hora Sancta) | Franciscan friars, local faithful, and international pilgrims gather in the violet twilight of the basilica for Eucharistic adoration and meditation on Christ's prayer in Gethsemane. |
| October and November | Gregorian (Autumn Harvest) | Annual Olive Harvest in the Garden of Gethsemane | Franciscan friars and volunteers harvest olives by hand from the eight 900-year-old trees in the garden; the pressed oil fuels the sanctuary lamps around the Rock of the Agony, while the olive pits are crafted into rosaries. |
| Wednesdays of Lent | Gregorian (Lenten Season) | Franciscan Lenten Peregrinations at Gethsemane | Solemn Lenten station liturgies and readings of the Passion narrative celebrated inside both the Basilica of the Agony and the Grotto of Gethsemane. |
A cherished sanctuary for international and Vietnamese Catholic pilgrims. For pilgrimage groups arriving in the Holy Land from every continent (including Vietnamese Catholic pilgrimages from Vietnam and the global diaspora), the Garden of Gethsemane and the Church of All Nations represent one of the most moving stops of the entire journey.Visiting priests regularly reserve times through the Franciscan Christian Information Center to celebrate Mass in their own language inside the basilica or in the private garden altars overlooking the ancient olive grove, giving every pilgrim the quiet opportunity to kneel beside the wrought-iron Crown of Thorns and touch the Rock of the Agony in personal prayer.
VILocation And How To Get There
- Address
- Jericho Road, Foot of the Mount of Olives, Kidron Valley, Jerusalem
- Getting there
- The Church of All Nations stands on Jericho Road at the western foot of the Mount of Olives directly east of the Old City of Jerusalem. From Lions' Gate (St. Stephen's Gate) of the Old City, walk downhill across the Kidron Valley for 5 to 7 minutes directly to the basilica entrance; alternatively, East Jerusalem buses departing near Damascus Gate (such as Lines 255 and 275) stop directly at the Gethsemane / Mary's Tomb stop outside the garden.
- Coordinates
- 31.7792, 35.2396
The Church of All Nations and the Garden of Gethsemane are open to pilgrims and visitors free of charge daily during morning and afternoon hours (closing midday between 12:00 PM and 2:00 PM). Strict modest attire covering shoulders and knees is required, hats must be removed inside the basilica, and complete silence should be observed inside the twilight hall out of respect for groups celebrating Mass or praying at the Rock of the Agony. In the adjoining Garden of Gethsemane, visitors walk along the paved perimeter path to admire and photograph the eight 900-year-old olive trees from outside the protective iron fence (stepping over the fence or plucking leaves and twigs is strictly prohibited). Visitors should also walk 100 meters north along the lane to visit the Franciscan Grotto of Gethsemane beside the steps to the Tomb of the Virgin Mary.
Nearby places in the library
VIIContribute To This Page
Contribute photos, information or video for Church of All Nations (Gethsemane), Jerusalem
Master Ưng Khiêm welcomes the community to enrich this page: a photograph taken on site, a historical detail not yet noted, or a short video. Every contribution is read and answered.
No community contribution yet. You could be the first.
?Quick Questions
Why is this sanctuary called both the Church of All Nations and the Basilica of the Agony?
Its official liturgical title in the Catholic Church is the Basilica of the Agony (Basilica dell'Agonia) because it enshrines the limestone Rock of the Agony where Jesus prayed in anguish on the night before His Crucifixion. Its popular name, the Church of All Nations, commemorates the twelve countries across Europe and the Americas whose Catholic communities donated the funds to build the church between 1919 and 1924, with their twelve national coats of arms inlaid in the twelve ceiling domes.
Where is the Rock of the Agony located inside the church, and what is its significance?
The Rock of the Agony is a natural outcrop of exposed Mount of Olives limestone measuring roughly 4 by 3 meters, situated directly in front of the high altar and encircled by a wrought-iron Crown of Thorns. Since the fourth century, Christian tradition has venerated this bedrock as the spot where Jesus knelt alone in prayer on Holy Thursday night and sweated drops of blood.
How old are the eight ancient olive trees in the Garden of Gethsemane?
According to a 2012 scientific study by the Italian National Research Council (CNR) and five Italian universities, radiocarbon dating of the oldest surviving heartwood in the aerial trunks dated them to 1092, 1166, and 1198 CE (over 900 years old), making them among the oldest known living olive trees in the world. Furthermore, DNA analysis revealed that all eight trees share an identical genetic profile, having sprouted from a single ancient parent rootstock.
Why is the interior of the Church of All Nations kept in dim violet twilight?
When Italian architect Antonio Barluzzi designed the basilica (1919 to 1924), he fitted all the side windows with translucent panes of deep purple-violet alabaster rather than clear glass and lined the twelve low domes with midnight-blue mosaics studded with golden stars, intentionally recreating the quiet nocturnal atmosphere of Christ's night vigil in Gethsemane.
What earlier churches stood beneath the present Church of All Nations?
Two historic sanctuaries preceded Barluzzi's 1924 basilica on this exact spot: first, a fourth-century Byzantine basilica erected under Emperor Theodosius I (c. 379 to 384 CE, whose original geometric floor mosaics remain visible beneath glass panels in the floor); and second, a twelfth-century Crusader church (Basilica Salvatoris) built on a slightly rotated axis.