An exhibitor serves tea for a visitor at the eighth China International Tea Expo in Hangzhou, East China's Zhejiang province, May 21. The expo kicked off on May 21 in Hangzhou, attracting more than 1,500 exhibitors. [Photo/WeChat account: westlakeexpo]

People taste tea at a booth at the eighth China International Tea Expo in Hangzhou, East China's Zhejiang province, May 21. [Photo/WeChat account: westlakeexpo]

A foreign exhibitor serves tea for visitors at the eighth China International Tea Expo in Hangzhou, East China's Zhejiang province, May 21. [Photo/WeChat account: westlakeexpo]