A house keeper cleans the table at a guest house on the Tuoji Island of Changdao county in Yantai, East China's Shandong province, Sept 19, 2018. Fishermen on the island transformed local houses into homestays to promote the tourism development. [Photo/Xinhua]

Photo taken on Sept 19, 2018 shows the yard of a guest house on the Tuoji Island of Changdao county in Yantai, East China's Shandong province, Sept 19, 2018. Fishermen on the island transformed local houses into homestays to promote the tourism development. [Photo/Xinhua]

A house keeper collects water from a well at a guest house on the Tuoji Island of Changdao county in Yantai, East China's Shandong province, Sept 19, 2018. Fishermen on the island transformed local houses into homestays to promote the tourism development. [Photo/Xinhua]