杭州奥林匹克体育中心

The Hangzhou Olympic Sports Centre stands at 3 Feihong Road in Binjiang District, inside the Olympic Sports Expo City on the south bank of the Qiantang River. It comprises the Big Lotus stadium, the Butterfly gymnasium and aquatics hall, the Little Lotus tennis centre and the jade-cong training hall, one of the largest clusters of sports venues in China, and hosted the opening and closing ceremonies and the athletics of the 19th Asian Games. The main stadium, known as the Big Lotus, occupies 82,300 sqm of land with about 216,000 sqm of floor area and roughly 80,000 seats, the third largest in the country. Its roof is formed of 28 large and 27 small petals using 26,000 tonnes of steel; the form draws on Hangzhou's silk weave and the motion of the Qiantang River, and the translucent petals overlap so that the steel lotus reads as light and porous. The Little Lotus tennis centre seats more than 10,000, with 24 fixed petals holding the bud shape and eight roof petals that rotate open and shut like a camera iris in about fifteen minutes. The training hall rises nearly 100 m with 184,500 sqm of floor area and served during the Games as a training base for basketball, volleyball, handball, fencing and taekwondo. The stadium's first pile was driven in December 2009 and it opened in 2019, making its debut on 10 August 2019 with a Wang Leehom world tour concert, followed by the 2021 Hangzhou athletics invitational that July. Since the Games the centre has run competitions, concerts and public fitness in parallel. Seating in the stadium is split into three tiers, and the northern side of the bowl is left open.