Roman Colosseum - Italy
It is a huge elliptical amphitheatre in the centre of the city of Rome, Italy. It can hold up to 80 000 people at a time and is the largest ever built in the Roman Empire. It is one of the greatest works of Roman architecture and engineering, constructed between 72 AD and 80 AD. The open-air colosseum is for many events such as gladiatorial contests and public spectacles such as animal hunts, dramas and even executions. It is 189 m long, 156 m wide and 48 m tall with base area of 24 000 metres square.