An aerial drone photo taken on April 30, 2026 shows fishing boats berthing at a fishing port due to an upcoming fishing ban in Wenling City, east China's Zhejiang Province. An annual summer fishing ban will take effect as of midday May 1 across the Bohai Sea, the Yellow Sea, the East China Sea, and the waters north of 12 degrees north latitude in the South China Sea. (Photo by Xu Weijie/Xinhua)

A drone photo taken on April 30, 2026 shows fishing boats returning to a fishing port before a fishing ban in Yantai City, east China's Shandong Province. An annual summer fishing ban will take effect as of midday May 1 across the Bohai Sea, the Yellow Sea, the East China Sea, and the waters north of 12 degrees north latitude in the South China Sea. (Photo by Tang Ke/Xinhua)

An aerial drone photo taken on April 30, 2026 shows fishing boats returning to a fishing port before a fishing ban in Wenling City, east China's Zhejiang Province. An annual summer fishing ban will take effect as of midday May 1 across the Bohai Sea, the Yellow Sea, the East China Sea, and the waters north of 12 degrees north latitude in the South China Sea. (Photo by Xu Weijie/Xinhua)

A drone photo taken on April 30, 2026 shows fishing boats berthing at a fishing port due to an upcoming fishing ban in Rongcheng City, east China's Shandong Province. An annual summer fishing ban will take effect as of midday May 1 across the Bohai Sea, the Yellow Sea, the East China Sea, and the waters north of 12 degrees north latitude in the South China Sea. (Photo by Li Xinjun/Xinhua)

An aerial drone photo taken on April 30, 2026 shows fishing boats berthing at a fishing port due to an upcoming fishing ban in Wenling City, east China's Zhejiang Province. An annual summer fishing ban will take effect as of midday May 1 across the Bohai Sea, the Yellow Sea, the East China Sea, and the waters north of 12 degrees north latitude in the South China Sea. (Photo by Xu Weijie/Xinhua)

A drone photo taken on April 30, 2026 shows fishermen sorting their nets for storage due to an upcoming fishing ban at a fishing port in Rongcheng City, east China's Shandong Province. An annual summer fishing ban will take effect as of midday May 1 across the Bohai Sea, the Yellow Sea, the East China Sea, and the waters north of 12 degrees north latitude in the South China Sea. (Photo by Li Xinjun/Xinhua)

Fishermen arrange their nets due to an upcoming fishing ban at a fishing port in Qionghai City, south China's Hainan Province, April 30, 2026. An annual summer fishing ban will take effect as of midday May 1 across the Bohai Sea, the Yellow Sea, the East China Sea, and the waters north of 12 degrees north latitude in the South China Sea. (Photo by Meng Zhongde/Xinhua)

A drone photo taken on April 30, 2026 shows fishing boats berthing at a fishing port due to an upcoming fishing ban in Rongcheng City, east China's Shandong Province. An annual summer fishing ban will take effect as of midday May 1 across the Bohai Sea, the Yellow Sea, the East China Sea, and the waters north of 12 degrees north latitude in the South China Sea. (Photo by Wang Fudong/Xinhua)