The 1929 Westlake exposition (Chinese: 杭州西湖博覽會) was a world's fair held in Xihu District, Hangzhou, Zhejiang province, Republic of China in 1929. The event opened on June 6, 1929 lasting 137 days.[1][2] There were 14,760,000 items in the exhibit with 20,000,000 visitors.[1]