Aerial photo taken on April 5, 2021 shows a view of Lanzhou Shuimo Danxia Scenic Spot soon to be opened to tourists in Lanzhou, northwest China's Gansu Province. (Photos: Xinhua)

Aerial photo taken on April 5, 2021 shows a view of Lanzhou Shuimo Danxia Scenic Spot soon to be opened to tourists in Lanzhou, northwest China's Gansu Province.

Aerial photo taken on April 5, 2021 shows a view of Lanzhou Shuimo Danxia Scenic Spot soon to be opened to tourists in Lanzhou, northwest China's Gansu Province.

Aerial photo taken on April 5, 2021 shows a view of Lanzhou Shuimo Danxia Scenic Spot soon to be opened to tourists in Lanzhou, northwest China's Gansu Province.

Photo taken on April 5, 2021 shows a view of the entrance to the Lanzhou Shuimo Danxia Scenic Spot soon to be opened to tourists in Lanzhou, northwest China's Gansu Province.

Aerial photo taken on April 5, 2021 shows a view of Lanzhou Shuimo Danxia Scenic Spot soon to be opened to tourists in Lanzhou, northwest China's Gansu Province.

Aerial photo taken on April 5, 2021 shows a view of Lanzhou Shuimo Danxia Scenic Spot soon to be opened to tourists in Lanzhou, northwest China's Gansu Province.

Aerial photo taken on April 5, 2021 shows a view of Lanzhou Shuimo Danxia Scenic Spot soon to be opened to tourists in Lanzhou, northwest China's Gansu Province.