Aerial photo taken on July 17, 2019 shows tourists swimming in a pool of a homestay on the sea island of Nanji in Nanji Town of Wenzhou, east China's Zhejiang Province. In recent years, Nanji Town has brought its island natural resources into full play in developing the homestay economy. Based on specific natural landforms, a group of homestays with different styles has been built on the island. At present, the town has built over 50 homestays, seeing the tourism income exceeding 100 million yuan (some 15 million U.S. dollars) in 2018. (Xinhua/Xu Yu)