The Colosseum is an architectural wonder of the ancient world and universal symbol of Rome, built by the Romans the Flavians who built it. It can held up until 75.000 people, and it’s the most important monument of old Rome. In 1980 it was insert in the list of World Heritage and in 2007 it was insered in New Seven wonders of the world. It was built in 8 years from 72 BC to 80 BC and decorated in the later years. The lavish celebrations for its inauguration included games and combats that went on for 100 days, during which thousands of wild animals were killed.