2 million meters. It is mainly composed of two large stadiums, the stadium and the swimming pool, in which the stadium has a construction area of 27,300 square meters and the swimming pool 1.480 square meters. According to official website of Yuhuan Gymnasium, the total construction area of Yuhuan Gymnasium is 232.2 mu, and the length of a circle around Yuhuan Sports is 2,000 kilometers, with a total investment of about 885.85 million yuan, so a circle is 2 million meters. As one of the Olympic Sports Center projects, the gymnasium includes a national fitness center with two floors and a construction area of about 22,600 square meters. The main gymnasium can accommodate 32 1 1 person.