World Heritage Site ~ El Jem Colosseum. Built in the early 3rd century AD, it can accommodate 80,000 spectators, the world's third largest Colosseum. It is a famous and brilliant building left by the ancient Roman Empire in Africa. Many famous French writers such as Maupassant and Flaubert have made a special trip to visit this place, and described it as "the wonderful Colosseum of the world" and "the symbol and symbol of the presence of the Roman Empire in Africa".