It's hard to believe that Rio hosted the Summer Olympics just six months ... only to then watch silently as the venues begin to decay and become abandoned.

The IOC said just two venues were abandoned, the BMX track shown during and after the Games below, and the Rio Olympic Village. Venues in the United States are also not safe from abandonment.

Maracanã Stadium, which held the opening and closing ceremonies and several of the Rio Olympics' biggest events, is abandoned and plagued by looters, and Julio de Lamare Aquatic Park's warm-up ...

Maracanã Stadium, which held the opening and closing ceremonies and several of the Rio Olympics' biggest events, is reportedly abandoned and plagued by looters. Follow BI Video: On Twitter More ...

(ATR) Funds needed to dismantle two structures in the Barra Olympic Park ... operator for the venues as public money will run out. Only Carioca Arena 3 is run by Rio City Hall.