The fourth Global Conference on Aquaculture was held in Shanghai from Sept. 22 to 25. It is a global high-level conference sponsored by the Food and Agriculture Organization of the United Nations. The conference is held every 10 years.

China is a major country in fishery and aquaculture in the world. The conference introduced the development achievements and experience of China's aquaculture industry to the world.

Photo taken on Sept. 23, 2021 shows the fourth Global Conference on Aquaculture held in east China's Shanghai. (Xinhua/Wang Xiang)

Photo taken on Sept. 23, 2021 shows the fourth Global Conference on Aquaculture held in east China's Shanghai. (Xinhua/Wang Xiang)

Photo taken on Sept. 23, 2021 shows the site of the tail water treatment project of Binhai Aquaculture Farm of Shanghai Ocean University in east China's Shanghai. (Xinhua/Wang Xiang)

Photo taken on Sept. 23, 2021 shows the aeration ponds of the tail water treatment project of Binhai Aquaculture Farm of Shanghai Ocean University in east China's Shanghai. (Xinhua/Wang Xiang)

Professor Wang Liqing is seen at the site of the tail water treatment project of Binhai Aquaculture Farm of Shanghai Ocean University in east China's Shanghai, Sept. 23, 2021. (Xinhua/Wang Xiang)

Produced by Xinhua Global Service