Wednesday, the last week in Lent
Basilica di Santa Maria Maggiore
( Basilica of St. Mary Major)
There are numerous ancient mosaics throughout the basilica decorating floors, walls, and ceilings. Most notable is the relic of the Holy Crib preserved for veneration in the in the Sistine Chapel below the sanctuary of the main church, as well as the relics of the True Cross which are also displayed within St. Mary's.
(Please forgive the improper alignment of text. It appears that Blogger is Conservative, as it will not allow me to align left...)