They were built by people.
The Olympic stadiums weight is about 250,000 tonnes
Stadiums Accommodation (the Olympic village) Media Centers
Stadiums and H ippodromes were errected for the Olympic Games
Target Field that can be found in Minneapolis, Minnesota and Marlins Park in Miami, Florida are the baseball stadiums that were recently built. The two stadiums were built in the year 2010 and 2012 and still operating.
international Olympic committee
horrible disscusting ones!
The running tracks are made of Field Turf and the stadiums have the capacity of 71,030 people.
The IOC, International Olympic Comittee.