Aerial photo taken on March 31, 2018 shows a general view of "Jiujie" area of Longwu tea town, which is converted from an industrial park, in Hangzhou, east China's Zhejiang Province. More than 20 activities about tea culture, including stir-drying tea leaves and tea art performance, were held in Longwu on Sunday. The tea planting area of the town is over 933 hectares. (Xinhua/Huang Zongzhi)