Ключевые слова: amphitheater, ancient landmark, ancient rome, ancient ruins, ancient structure, archaeological site, architectural wonder, colosseo, colosseum, colosseum arena, colosseum interior, colosseum tour, cultural heritage, gladiator arena, heritage site, historic architecture, historic italy, historical site, iconic monument, italian heritage, italian history, italian landmarks, italy, italy tourism, popular destination, roman amphitheater, roman architecture, roman civilization, roman colosseum, roman design, roman empire, roman engineering, roman history, rome, rome landmarks, rome sightseeing, rome tourism, rome travel guide, tourist attraction, travel italy, underground colosseum, unesco world heritage,