Fishermen carry mantis shrimps to the shore at the Dongkou fishing port on the Zhifu island in Yantai, East China's Shandong province, Sept 1, 2018. The 2018 summer fishing ban, imposed in the Yellow Sea and the Bohai Sea from May 1 to Sept. 1, was lifted on Saturday.[Photo/Xinhua]

People buy conches at the Dongkou fishing port on the Zhifu island in Yantai, East China's Shandong province, Sept 1, 2018. [Photo/Xinhua]