Tourists visit Wusute Yadan Geological Park in China's Qinghai

Aerial photo taken on July 28, 2019 shows yardang rocks in the Wusute Yadan Geological Park in northwest China's Qinghai Province. Lying in the Qaidam Basin in northwest China, the Wusute Yadan Geological Park is home to a unique landscape which consists of wind-eroded rocks known as yardangs. (Xinhua/Zhao Yuhe)