Rome, Italy - May 27, 2018: Main nave and apse of St. Marc Evangelist Basilica, San Marco Evangelista al Campidoglio at Venice Square Piazza Venezia in historic center of Rome 1386900911 rome, roma, lazium, italia, st. marc, evangelist, san marco, evangelista, campidoglio, sacral, christian, catholic, presbytery, painting, polychromic, wall, venice, palazzo, venezia, st. mark, square, piazza, arch, attraction, historic, antica, centro, storico, italiano, panorama, landmark, italian, touristic, interior, inside, indoor

Basilica di San Marco

Ancient Rome

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Now incorporated into Palazzo Venezia, the early-4th-century Basilica di San Marco stands over the house where St Mark the Evangelist is said to have stayed while in Rome. Its main attraction is the golden 9th-century apse mosaic showing Christ flanked by several saints and Pope Gregory IV.