Winter swimming. According to the website of Tongxiang Municipal People's Government, more than 300 members of Tongxiang Winter Swimming Association swam in the Moon River in New Century Park to welcome the National Fitness Day. Tongxiang City is a county-level city under the jurisdiction of Zhejiang Province, which is managed by Jiaxing City. Located in the northern part of Zhejiang Province, the hinterland of Hangjiahu Plain, and the golden triangle of Shanghai, Hangzhou and Jiangsu.