Clementine Chapel has a monument that was placed by Emperor Constantine.
Open today for pilgrims , the site venerates the original pavonazzo marble monument placed there by Emperor Constantine , and was used in early medieval times to house the skull of St. Peter	pavonazzo marble	pavonazzo marble	Emperor Constantine	Constantine the Great
The Clementine Chapel , also known as La Clementina , is a particular Roman Catholic chapel located within the underground necropolitan grottoes of Saint Peter 's Basilica in Vatican City .	Roman Catholic	Roman Catholic	Vatican City	Vatican City
