The Colosseum, located in the heart of Rome, is an iconic symbol of ancient Roman engineering and architecture. Built in AD 70-80, it could hold up to 80,000 spectators who gathered to watch gladiatorial contests and public spectacles. This grand amphitheater measures 189 meters long and 156 meters wide, showcasing a complex system of vaults and arches. Despite the passage of time and natural disasters, the Colosseum remains a testament to the ingenuity of Roman builders and continues to attract millions of visitors each year.