Sarcophagus of Junius Bassus
Grottoes of St. Peter, Vatican, Rome. c. 359 CE. Marble, 4 x 8′ (1.2 x 2.4 meters).
Recommended Reading
Khan Academy article and video
ART F261X: World History of Art I
Prehistoric to Medieval Art
Grottoes of St. Peter, Vatican, Rome. c. 359 CE. Marble, 4 x 8′ (1.2 x 2.4 meters).
Khan Academy article and video