China's Suhai-1, the world's first deep-sea salmon and trout aquaculture vessel, docks at the ​​Lianyungang Port, Jiangsu Province.

Researchers observe the growth of lettuce in an unmanned vertical plant factory, Chengdu, Sichuan Province.

Two drones shuttle back and forth, spreading fertilizer to promote growth, Suqian City, Jiangsu Province.

Cows fed in a fully automated, unmanned cowshed on a smart ranch, Hohhot, Inner Mongolia Autonomous Region.