A worker operates a machine to clean the cow breeding farm in Shajiang village of Lingwu city, Northwest China's Ningxia Hui autonomous region, Sept 8, 2021. [Photo/Xinhua]
Aerial photo taken on Sept 8, 2021 shows the view of a cow breeding farm in Shajiang village of Lingwu city, Northwest China's Ningxia Hui autonomous region, Sept 8, 2021. [Photo/Xinhua]
Photo taken on Sept 8, 2021 shows the view of a cow breeding farm in Shajiang village of Lingwu city, Northwest China's Ningxia Hui autonomous region, Sept 8, 2021. [Photo/Xinhua]
A worker checks the health condition of the cows at a cow breeding farm in Shajiang village of Lingwu city, Northwest China's Ningxia Hui autonomous region, Sept. 8, 2021. [Photo/Xinhua]
