World's tallest unmanned vertical veggie farm in Chengdu(1/10)

Chinese researchers check the operation of world's first 20-story unmanned vertical veggie farm in Chengdu, southwest China's Sichuan Province, Dec. 7, 2023. (Photo: China News Service/An Yuan)

The world’s tallest unmanned vertical farm has entered operation in Chengdu..

Researchers check the growth of rice at the world's first 20-story unmanned vertical veggie farm in Chengdu, southwest China's Sichuan Province, Dec. 7, 2023. (Photo: China News Service/An Yuan)

An interior view of the world's first 20-story unmanned vertical veggie farm in Chengdu, southwest China's Sichuan Province, Dec. 7, 2023. (Photo: China News Service/An Yuan)

A researcher checks the growth of wheat at the world's first 20-story unmanned vertical veggie farm in Chengdu, southwest China's Sichuan Province, Dec. 7, 2023. (Photo: China News Service/An Yuan)

Lettuce grows at the world's first 20-story unmanned vertical veggie farm in Chengdu, southwest China's Sichuan Province, Dec. 7, 2023. (Photo: China News Service/An Yuan)

Researchers check the growth of wheat at the world's first 20-story unmanned vertical veggie farm in Chengdu, southwest China's Sichuan Province, Dec. 7, 2023. (Photo: China News Service/An Yuan)

A researcher checks the growth of rice at the world's first 20-story unmanned vertical veggie farm in Chengdu, southwest China's Sichuan Province, Dec. 7, 2023. (Photo: China News Service/An Yuan)

A researcher checks the growth of rice at the world's first 20-story unmanned vertical veggie farm in Chengdu, southwest China's Sichuan Province, Dec. 7, 2023. (Photo: China News Service/An Yuan)

Chinese researchers check the operation of world's first 20-story unmanned vertical veggie farm in Chengdu, southwest China's Sichuan Province, Dec. 7, 2023. (Photo: China News Service/An Yuan)

An exterior view of the world's first 20-story unmanned vertical veggie farm in Chengdu, southwest China's Sichuan Province, Dec. 7, 2023. (Photo: China News Service/An Yuan)