![](http://www.ecns.cn/hd/2021/12/28/736e7820e032458ab21adea4fb1ebec5.jpg)
Sunlight and shadow on the vast sea of sand create a picturesque desert landscape at the Mingsha Mountain and Yueyaquan (Crescent Spring) scenic spot in Dunhuang City, northwest China's Gansu Province. (Photo by Zhang Xiaoliang)
![](http://www.ecns.cn/hd/2021/12/28/7f67d6e5805f47048bcec81b88053344.jpg)
Sunlight and shadow on the vast sea of sand create a picturesque desert landscape at the Mingsha Mountain and Yueyaquan (Crescent Spring) scenic spot in Dunhuang City, northwest China's Gansu Province. (Photo by Zhang Xiaoliang)
![](http://www.ecns.cn/hd/2021/12/28/8e2f5b72ca764730b4802d6c143cb4a7.jpg)
Sunlight and shadow on the vast sea of sand create a picturesque desert landscape at the Mingsha Mountain and Yueyaquan (Crescent Spring) scenic spot in Dunhuang City, northwest China's Gansu Province. (Photo by Zhang Xiaoliang)
![](http://www.ecns.cn/hd/2021/12/28/d512e0f5acc444229d8a163fbe79e006.jpg)
Sunlight and shadow on the vast sea of sand create a picturesque desert landscape at the Mingsha Mountain and Yueyaquan (Crescent Spring) scenic spot in Dunhuang City, northwest China's Gansu Province. (Photo by Zhang Xiaoliang)