![](http://www.ecns.cn/hd/2023/03/30/8c7cbe3432024cfb80cbeb18d7e5c5eb.jpg)
Emerald Lake with marvelous natural colors shines on Qaidam Basin in Haixi Mongol and Tibetan Autonomous Prefecture, northwest China's Qinghai Province, March 29, 2023. (Photo: China News Service/Ma Mingyan)
Emerald Lake, covering an area of more than 26 square kilometers, was formed by many years of mining, leaving a high concentration of salt called brine.
![](http://www.ecns.cn/hd/2023/03/30/40299f268cc94b0ab75aa58d8e479cc1.jpg)
Emerald Lake with marvelous natural colors shines on Qaidam Basin in Haixi Mongol and Tibetan Autonomous Prefecture, northwest China's Qinghai Province, March 29, 2023. (Photo: China News Service/Ma Mingyan)
![](http://www.ecns.cn/hd/2023/03/30/0411a2412dd14758adab09a2f9989d34.jpg)
Emerald Lake with marvelous natural colors shines on Qaidam Basin in Haixi Mongol and Tibetan Autonomous Prefecture, northwest China's Qinghai Province, March 29, 2023. (Photo: China News Service/Ma Mingyan) )
![](http://www.ecns.cn/hd/2023/03/30/4be59ecb2380441d84142a53b4b40673.jpg)
Emerald Lake with marvelous natural colors shines on Qaidam Basin in Haixi Mongol and Tibetan Autonomous Prefecture, northwest China's Qinghai Province, March 29, 2023. (Photo: China News Service/Ma Mingyan)
![](http://www.ecns.cn/hd/2023/03/30/afbfbbe282334ff896c925e7901e0db3.jpg)
Emerald Lake with marvelous natural colors shines on Qaidam Basin in Haixi Mongol and Tibetan Autonomous Prefecture, northwest China's Qinghai Province, March 29, 2023. (Photo: China News Service/Ma Mingyan)
![](http://www.ecns.cn/hd/2023/03/30/00739d1d6ed644a6ac59b235ecd4fb60.jpg)
Emerald Lake with marvelous natural colors shines on Qaidam Basin in Haixi Mongol and Tibetan Autonomous Prefecture, northwest China's Qinghai Province, March 29, 2023. (Photo: China News Service/Ma Mingyan) n)
![](http://www.ecns.cn/hd/2023/03/30/41b7dfe881d44fa39faf390cb361e2c7.jpg)
Emerald Lake with marvelous natural colors shines on Qaidam Basin in Haixi Mongol and Tibetan Autonomous Prefecture, northwest China's Qinghai Province, March 29, 2023. (Photo: China News Service/Ma Mingyan)
![](http://www.ecns.cn/hd/2023/03/30/0370dee9ec764b378cacf215a1f83fc4.jpg)
Emerald Lake with marvelous natural colors shines on Qaidam Basin in Haixi Mongol and Tibetan Autonomous Prefecture, northwest China's Qinghai Province, March 29, 2023. (Photo: China News Service/Ma Mingyan)
![](http://www.ecns.cn/hd/2023/03/30/d313db2b22e3427f9b2b48182c594753.jpg)
Emerald Lake with marvelous natural colors shines on Qaidam Basin in Haixi Mongol and Tibetan Autonomous Prefecture, northwest China's Qinghai Province, March 29, 2023. (Photo: China News Service/Ma Mingyan)