The architect who designed the Colosseum was Vespasian
This amphitheatre is made out of travertine limestone, tuff, and brick-faced concrete
The Colosseum could hold about 50,000 to 80,000 people at once
The purpose of this monument was for gladiatorial contests and for audience to watch it. Animal hunts, executions, and many other activities also took place in the Colosseum.