This aerial photo taken on April 17, 2023 shows a view of the Danxia landform in Guide County, northwest China's Qinghai Province. (Xinhua/Geng Huihuang)

This aerial photo taken on April 17, 2023 shows a view of the Danxia landform in Guide County, northwest China's Qinghai Province. (Xinhua/Zhao Yuhe)