Introduction to the Colosseum: There are many Roman amphitheaters in Pompeii. Among them, the amphitheater used for gladiators is located at the easternmost end of the ancient city. It was built 51 years earlier than the famous Roman Coliseum. , where gladiatorial performances are mainly performed, including fights between humans and humans, humans and beasts, and sometimes sports events are held. There are three floors of auditoriums in the theater, which can accommodate up to all the residents of Pompeii (20,000). The surrounding walls of the theater are as high as More than 2 meters tall, there are many murals of hunting and competition painted on the walls, reflecting the living conditions of people at that time.