Buildings are structures.
Yes it is a building
The Coliseum-Duplex Envelope Company Building was created in 1922.
The Colosseum did not have good or bad features. It was just a building. This gigantic structure was one of the great achievement of ancient architecture
Vespasian.
Coliseum
The Flavian Amphitheater in Rome, better known as the Coliseum
The arch and the column.
The circular building that gladitorial contests were held in is called the Coliseum.
The most famous is the ancient Coliseum in Rome.
The invention of arches and concrete made this amazing building possible.
Because it was built by people from the past. The building did not form naturally.
As the Romans built the Colosseum, you would have to say it was the Roman society that built it.