Aerial photo taken on July 17, 2020 shows people picking up seafood after ebb at a seaside in Rongcheng City, east China's Shandong Province. (Xinhua/Wang Kai)

A child picks up seafood after ebb at a seaside in Rongcheng City, east China's Shandong Province, July 17, 2020. (Xinhua/Wang Kai)

Aerial photo taken on July 17, 2020 shows people picking up seafood after ebb at a seaside in Rongcheng City, east China's Shandong Province. (Xinhua/Wang Kai)

A boy picks up seafood after ebb at a seaside in Rongcheng City, east China's Shandong Province, July 17, 2020. (Xinhua/Wang Kai)

A person picks up seafood after ebb at a seaside in Rongcheng City, east China's Shandong Province, July 17, 2020. (Xinhua/Wang Kai)