Tomb of the Julii

Tomb of the Julii
Detail of the mosaic
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General information
Location	Vatican City
Coordinates	41°54′8″N 12°27′12″E / 41.90222°N 12.45333°E / 41.90222; 12.45333

The popularly named "Tomb of the Julii" (Mausoleum "M") survives in the Vatican Necropolis beneath St. Peter's Basilica. The serendipitous discovery near the crypt has a vaulted ceiling bearing a mosaic depicting Apollo as Jesus Christ with an aureole riding in his chariot, within a framing of rinceaux of vine leaves. The mosaic is dated to the late 3rd century to early 4th century. Other mosaics in this tomb depicting Jonah and the whale, the good shepherd carrying a lamb (the kriophoros motif), and fishermen have encouraged its interpretation as a Christian tomb.

This tomb was first discovered in 1574 AD when workmen accidentally broke through the ceiling while conducting some floor alterations in the basilica. The inside was briefly explored and documented before the opening was sealed over once more.^[1]