Although two-thirds of the Colosseum has been destroyed over time, it remains one of the world's most popular tourist http://sites.pic.twitter.com/3E4KpcFO5q

Although two-thirds of the Colosseum has been destroyed over time, it remains one of the world's most popular tourist sites. http://pic.twitter.com/3E4KpcFO5q

https://twitter.com/NatGeoTravel/status/926418824366305280