Crested ibises fly in the sky in Zhaigou Village, Ningshan County of northwest China's Shaanxi Province, Oct. 10, 2022. In recent years, Ningshan County has made great efforts in ecological protection and green development, with local forest coverage rate reaching 96.24 percent and the population of crested ibises, giant pandas and golden snub-nosed monkeys growing. (Xinhua/Shao Rui)

Crested ibises are seen at a crested ibis feralization base in Ningshan County of northwest China's Shaanxi Province, Oct. 10, 2022. In recent years, Ningshan County has made great efforts in ecological protection and green development, with local forest coverage rate reaching 96.24 percent and the population of crested ibises, giant pandas and golden snub-nosed monkeys growing. (Xinhua/Shao Rui)

Aerial photo taken on Feb. 7, 2022 shows the scenery of Pinghe ridge of Qinling Mountains in Ningshan County, northwest China's Shaanxi Province. In recent years, Ningshan County has made great efforts in ecological protection and green development, with local forest coverage rate reaching 96.24 percent and the population of crested ibises, giant pandas and golden snub-nosed monkeys growing. (Xinhua/Shao Rui)