
Aerial photo taken on May 30, 2021 shows a mussel breeding base in Shengsi County of Zhoushan City, east China's Zhejiang Province. (Photo by Yao Feng/Xinhua)

Aerial photo taken on May 30, 2021 shows a mussel breeding base in Shengsi County of Zhoushan City, east China's Zhejiang Province. (Photo by Yao Feng/Xinhua)

Aerial photo taken on May 30, 2021 shows a mussel breeding base in Shengsi County of Zhoushan City, east China's Zhejiang Province. (Photo by Yao Feng/Xinhua)

Aerial photo taken on May 30, 2021 shows a mussel breeding base in Shengsi County of Zhoushan City, east China's Zhejiang Province. (Photo by Yao Feng/Xinhua)

Aerial photo taken on May 29, 2021 shows fishermen breeding mussels at a mussel breeding base in Shengsi County of Zhoushan City, east China's Zhejiang Province. (Photo by Yao Feng/Xinhua)