Aerial photo taken on May 24, 2018 shows the Pingtian Village in Songyang County of east China's Zhejiang Province. Some 16,233 guesthouses have been running in Zhejiang Province by the end of 2017, with about 100,000 farmers involved in the industry, according to the Tourism Bureau of Zhejiang Province. (Xinhua/Huang Zongzhi)