The Beijing National Indoor Stadium, also known as the National Indoor Stadium is an indoor arena that is located in the Olympic Green in Beijing, China. The stadium was constructed for the 2008 Summer Olympics. It is nicknamed the Fan due to its design resembling a traditional Chinese folding fan.The stadium opened its doors on November 26, 2007 for the artistic Gymnastics test event.At the 2008 Olympics, it hosted the Artistic Gymnastics, Trampolining, and Handball events. After the Olympics, the stadium is used for sports competition, cultural and entertaining purposes, and serves as a multi-functional exercise center for local residents.The stadium has a capacity of 18,000 people.