![](http://www.ecns.cn/hd/2022/07/22/8e460431dc7340fdb268a66d5069d2d2.jpg)
Summer scenery of Dongge Cuona Lake as pure as a "sapphire" in Maduo county, Golog Tibetan Autonomous Prefecture, northwest China's Qinghai Province. (Photo: China News Service/Ma Mingyan)
![](http://www.ecns.cn/hd/2022/07/22/f749b3311c3f42829eb1af85de01ef1c.jpg)
Summer scenery of Dongge Cuona Lake as pure as a "sapphire" in Maduo county, Golog Tibetan Autonomous Prefecture, northwest China's Qinghai Province. (Photo: China News Service/Ma Mingyan)
![](http://www.ecns.cn/hd/2022/07/22/8d91494f0dbd492691008aac287fc669.jpg)
Summer scenery of Dongge Cuona Lake as pure as a "sapphire" in Maduo county, Golog Tibetan Autonomous Prefecture, northwest China's Qinghai Province. (Photo: China News Service/Ma Mingyan)
![](http://www.ecns.cn/hd/2022/07/22/5797598dcf8d4c6b9e32b92ff731555d.jpg)
Summer scenery of Dongge Cuona Lake as pure as a "sapphire" in Maduo county, Golog Tibetan Autonomous Prefecture, northwest China's Qinghai Province. (Photo: China News Service/Ma Mingyan)
![](http://www.ecns.cn/hd/2022/07/22/3eaf71c61187437fa7f24355a1eaf9ad.jpg)
Summer scenery of Dongge Cuona Lake as pure as a "sapphire" in Maduo county, Golog Tibetan Autonomous Prefecture, northwest China's Qinghai Province. (Photo: China News Service/Ma Mingyan)
![](http://www.ecns.cn/hd/2022/07/22/885e6ca2750e4bd8916651ae0abb6ea9.jpg)
Summer scenery of Dongge Cuona Lake as pure as a "sapphire" in Maduo county, Golog Tibetan Autonomous Prefecture, northwest China's Qinghai Province. (Photo: China News Service/Ma Mingyan)