![](http://www.ecns.cn/hd/2023/07/06/e9850b0a53904a7c9fac45938bae2958.jpg)
A sea of clouds float over Qilian Mountain at Qilian County, Haibei Tibetan Autonomous Prefecture, Qinghai Province in July. (Photo: China News Service/Bao Lei)
![](http://www.ecns.cn/hd/2023/07/06/d43b19285efe439a9bfa3bac8e97b5b9.jpg)
A sea of clouds float over Qilian Mountain at Qilian County, Haibei Tibetan Autonomous Prefecture, Qinghai Province in July. (Photo: China News Service/Bao Lei)
![](http://www.ecns.cn/hd/2023/07/06/6f8fe2b3167640d9af4183c4a7e7ac9d.jpg)
A sea of clouds float over Qilian Mountain at Qilian County, Haibei Tibetan Autonomous Prefecture, Qinghai Province in July. (Photo: China News Service/Bao Lei)
![](http://www.ecns.cn/hd/2023/07/06/435812b17d9348cc9c2c00f4e22a5dcf.jpg)
A sea of clouds float over Qilian Mountain at Qilian County, Haibei Tibetan Autonomous Prefecture, Qinghai Province in July. (Photo: China News Service/Bao Lei)
![](http://www.ecns.cn/hd/2023/07/06/bd5bbf316275468cbbf5d061f7244dbb.jpg)
A sea of clouds float over Qilian Mountain at Qilian County, Haibei Tibetan Autonomous Prefecture, Qinghai Province in July. (Photo: China News Service/Bao Lei)
![](http://www.ecns.cn/hd/2023/07/06/814a1d6003384f5b8c397d2b627732bf.jpg)
A sea of clouds float over Qilian Mountain at Qilian County, Haibei Tibetan Autonomous Prefecture, Qinghai Province in July. (Photo: China News Service/Bao Lei)
![](http://www.ecns.cn/hd/2023/07/06/e90552bcac4c45c58c031909357df668.jpg)
A sea of clouds float over Qilian Mountain at Qilian County, Haibei Tibetan Autonomous Prefecture, Qinghai Province in July. (Photo: China News Service/Bao Lei)