the coliseum stands the majestic of constantine the people and senator rome erected it to commemorate the emperor's victory near the million bridge in eighty three hundred twelve. constantine fourteen the sign of the cross and established christianity in the empire. there are countless domes and towers atop the churches and ministries of rome reputedly more than three hundred and more operand for the year two thousand declared a holy year. it's sometimes difficult to tell churches and temples apart the pantheon on piazza did out of town that is in fact. it was built by the great commander marcus agrippa right hand man of augustus.