The Flavian Amphitheater, commonly known as the Colosseum, is an ancient Roman structure located in the center of Rome. Built between AD 70 and 80 under the emperors of the Flavian dynasty, it was used for various public spectacles, including gladiatorial contests and animal hunts. The amphitheater could hold up to 80,000 spectators, showcasing the engineering prowess of the Romans. The Colosseum features a complex system of vaults and arches, demonstrating advanced construction techniques of the time. It remains one of the most iconic symbols of Rome and is a UNESCO World Heritage site, attracting millions of visitors each year.