An aerial drone photo taken on Feb. 26, 2024 shows fishermen working at a marine ranch in Lidao Bay of Rongcheng City, east China's Shandong Province. (Photo by Li Xinjun/Xinhua)

An aerial drone photo taken on Feb. 26, 2024 shows fishermen working at a marine ranch in Ailun Bay of Rongcheng City, east China's Shandong Province. (Photo by Wang Fudong/Xinhua)

This photo taken on Feb. 26, 2024 shows fishermen working at a marine ranch in Ailun Bay of Rongcheng City, east China's Shandong Province. (Photo by Wang Fudong/Xinhua)

An aerial drone photo taken on Feb. 26, 2024 shows fishermen working at a marine ranch in Lidao Bay of Rongcheng City, east China's Shandong Province. (Photo by Li Xinjun/Xinhua)

An aerial drone photo taken on Feb. 26, 2024 shows fishermen working at a marine ranch in Lidao Bay of Rongcheng City, east China's Shandong Province. (Photo by Li Xinjun/Xinhua)