Colosseum (English: Colosseum), Coliseum (English: Coliseum) stadium Flaminio circular or Twitter (English: Flavian Amphitheatre; Latin: Amphitheatrum Flavium; Italy: Anfiteatro Flavio or Colosseo), a large outdoor stadium located in the heart of Rome. Was built in the reign of Emperor Xian of the Western Roman Empire. And completed in the reign of Titus. In the first century AD amphitheater, a circular brick and sandstone temple about 527 meters by around 57 meters high, can hold an audience of about 50 000 people have been cleverly designed to build a stadium-shaped oval. To make the audience feel closer to the athletes. The design of the drainage system to prevent flooding in the rain. Holds a prototype of the modern sports stadiums. And took 10 years
July 7, 2550 Colosseum was selected as the first. Seven Wonders of the Modern World. Voting from all over the world via the Internet and mobile phones.