Aerial photo taken on July 17, 2021 shows a view of the grassland in Saibei management district of Zhangjiakou, north China’s Hebei Province. (Photo by Wu Diansen/Xinhua)
Aerial photo taken on July 17, 2021 shows a view of the grassland in Saibei management district of Zhangjiakou, north China’s Hebei Province. (Photo by Wu Diansen/Xinhua)
Aerial photo taken on July 17, 2021 shows a view of the grassland in Saibei management district of Zhangjiakou, north China’s Hebei Province. (Photo by Wu Diansen/Xinhua)