Verona: Arena.

“The Verona Arena is a Roman amphitheatre in Piazza Bra, which is internationally famous for the large-scale opera performances given there. It is one of the best preserved ancient structures of its kind. The building itself was built in AD 30 on a site which was then beyond the city walls. The ludi (shows and games) staged there were so famous that spectators came from many other places, often far away, to witness them. The amphitheatre could host more than 30,000 spectators in ancient times.”