
A researcher works at the unmanned plant factory built at the Institute of Urban Agriculture at Chengdu, southwest China's Sichuan Province, April 7, 2025. (Photo: China News Service/An Yuan)
The 20-storey vertical unmanned plant factory is the tallest of its kind in the world. Its cultivation procedures are completely automated, including sowing, thinning, harvesting, and packaging.

A researcher works at the unmanned plant factory built at the Institute of Urban Agriculture at Chengdu, southwest China's Sichuan Province, April 7, 2025. (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, April 7, 2025. (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, April 7, 2025. (Photo: China News Service/An Yuan)

Researchers work at the unmanned plant factory built at the Institute of Urban Agriculture at Chengdu, southwest China's Sichuan Province, April 7, 2025. (Photo: China News Service/An Yuan)

A researcher works at the unmanned plant factory built at the Institute of Urban Agriculture at Chengdu, southwest China's Sichuan Province, April 7, 2025. (Photo: China News Service/An Yuan)

Researchers work at the unmanned plant factory built at the Institute of Urban Agriculture at Chengdu, southwest China's Sichuan Province, April 7, 2025. (Photo: China News Service/An Yuan)