tradition, at some point in the 50s, peter went to rome, and he evangelized there. >> let us pray. >> to examine the christian tradition that places peter in the eternal city, nicola denzey-lewis has come to the e catacombs of san-sebastian, central rome. it used to be called an ancient basilica. and alongside one part of the basilica, there was a dining hall, where people would come and do feasts for their dead ancestors on particular days, and by the 4th century, we know that they started also coming on the feast day associated with peter, and they would scratch things into the walls, and we can still see these walls today, and deep beneath us, when people were first excavating this, they discovered the remains of a