Italy, Lazio, Rome, Trastevere, church of Santa Maria de Trastevere, exterior mosaics.

Italy, Lazio, Rome, Trastevere, church of Santa Maria de Trastevere, exterior mosaics.

Italy, Lazio, Rome, Esquiline Hill, Basilica of Santa Maria Maggiore, mosaic decorated apse.

Italy, Lazio, Rome, Esquiline Hill, Basilica of Santa Maria Maggiore, mosaic decorated apse.

Italy, Lazio, Rome, Esquiline Hill, Santa Prassede church, chapel of St Zeno with Byzantine mosaic detail.

Italy, Lazio, Rome, Esquiline Hill, Santa Prassede church, 9th Century mosaics in the apse.

Italy, Lazio, Rome, Esquiline Hill, Santa Prassede church, 9th Century mosaics in the apse.

Italy, Lazio, Rome, Esquiline Hill, Santa Prassede church, 9th Century mosaics in the apse.

Italy, Lazio, Rome, Esquiline Hill, Santa Prassede church, interior showing altar & apse.

Italy, Lazio, Rome, Esquiline Hill, Palazzo Massimo, Museo Nazionale Romano, mosaics.

Italy, Lazio, Ostia Antica, mosaics from the Baths of Neptune.

Italy, Lazio, Ostia Antica, mosaics from the Baths of Neptune.