![Da Qaidam salt lake in Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province, July 25, 2018. The salt lake covering six square kilometers was formed by many years of mining, leaving a high concentration of salt called brine. It was named Emerald Lake because of its different and beautiful colors against the blue sky and snow-covered mountains. (Photo: China News Service/Liu Zhongjun)](http://www.ecns.cn/hd/2018/07/26/72e32afcbb874fa09ab15c97fb7af3c5.jpg)
Da Qaidam salt lake in Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province, July 25, 2018. The salt lake covering six square kilometers was formed by many years of mining, leaving a high concentration of salt called brine. It was named Emerald Lake because of its different and beautiful colors against the blue sky and snow-covered mountains. (Photo: China News Service/Liu Zhongjun)
![Da Qaidam salt lake in Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province, July 25, 2018. The salt lake covering six square kilometers was formed by many years of mining, leaving a high concentration of salt called brine. It was named Emerald Lake because of its different and beautiful colors against the blue sky and snow-covered mountains. (Photo: China News Service/Liu Zhongjun)](http://www.ecns.cn/hd/2018/07/26/1f5daba33b664cf9b325a3d576a76eea.jpg)
Da Qaidam salt lake in Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province, July 25, 2018. The salt lake covering six square kilometers was formed by many years of mining, leaving a high concentration of salt called brine. It was named Emerald Lake because of its different and beautiful colors against the blue sky and snow-covered mountains. (Photo: China News Service/Liu Zhongjun)
![Da Qaidam salt lake in Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province, July 25, 2018. The salt lake covering six square kilometers was formed by many years of mining, leaving a high concentration of salt called brine. It was named Emerald Lake because of its different and beautiful colors against the blue sky and snow-covered mountains. (Photo: China News Service/Liu Zhongjun)](http://www.ecns.cn/hd/2018/07/26/c7b95a9d45ad4075bd6f75d93b72909b.jpg)
Da Qaidam salt lake in Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province, July 25, 2018. The salt lake covering six square kilometers was formed by many years of mining, leaving a high concentration of salt called brine. It was named Emerald Lake because of its different and beautiful colors against the blue sky and snow-covered mountains. (Photo: China News Service/Liu Zhongjun)
![Da Qaidam salt lake in Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province, July 25, 2018. The salt lake covering six square kilometers was formed by many years of mining, leaving a high concentration of salt called brine. It was named Emerald Lake because of its different and beautiful colors against the blue sky and snow-covered mountains. (Photo: China News Service/Liu Zhongjun)](http://www.ecns.cn/hd/2018/07/26/82889a353f8f4bd49f2161a00bd08f8b.jpg)
Da Qaidam salt lake in Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province, July 25, 2018. The salt lake covering six square kilometers was formed by many years of mining, leaving a high concentration of salt called brine. It was named Emerald Lake because of its different and beautiful colors against the blue sky and snow-covered mountains. (Photo: China News Service/Liu Zhongjun)
![Da Qaidam salt lake in Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province, July 25, 2018. The salt lake covering six square kilometers was formed by many years of mining, leaving a high concentration of salt called brine. It was named Emerald Lake because of its different and beautiful colors against the blue sky and snow-covered mountains. (Photo: China News Service/Liu Zhongjun)](http://www.ecns.cn/hd/2018/07/26/818c1264cdec4e6cbffe0347aa5b0b88.jpg)
Da Qaidam salt lake in Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province, July 25, 2018. The salt lake covering six square kilometers was formed by many years of mining, leaving a high concentration of salt called brine. It was named Emerald Lake because of its different and beautiful colors against the blue sky and snow-covered mountains. (Photo: China News Service/Liu Zhongjun)
![Da Qaidam salt lake in Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province, July 25, 2018. The salt lake covering six square kilometers was formed by many years of mining, leaving a high concentration of salt called brine. It was named Emerald Lake because of its different and beautiful colors against the blue sky and snow-covered mountains. (Photo: China News Service/Liu Zhongjun)](http://www.ecns.cn/hd/2018/07/26/4094f4020dc54903949fc01a6357f233.jpg)
Da Qaidam salt lake in Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province, July 25, 2018. The salt lake covering six square kilometers was formed by many years of mining, leaving a high concentration of salt called brine. It was named Emerald Lake because of its different and beautiful colors against the blue sky and snow-covered mountains. (Photo: China News Service/Liu Zhongjun)
![Da Qaidam salt lake in Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province, July 25, 2018. The salt lake covering six square kilometers was formed by many years of mining, leaving a high concentration of salt called brine. It was named Emerald Lake because of its different and beautiful colors against the blue sky and snow-covered mountains. (Photo: China News Service/Liu Zhongjun)](http://www.ecns.cn/hd/2018/07/26/93d34b0c44344ba89eeae2531d1c36e5.jpg)
Da Qaidam salt lake in Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province, July 25, 2018. The salt lake covering six square kilometers was formed by many years of mining, leaving a high concentration of salt called brine. It was named Emerald Lake because of its different and beautiful colors against the blue sky and snow-covered mountains. (Photo: China News Service/Liu Zhongjun)
![Da Qaidam salt lake in Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province, July 25, 2018. The salt lake covering six square kilometers was formed by many years of mining, leaving a high concentration of salt called brine. It was named Emerald Lake because of its different and beautiful colors against the blue sky and snow-covered mountains. (Photo: China News Service/Liu Zhongjun)](http://www.ecns.cn/hd/2018/07/26/51fd877270c5429988ca1b11784db7e1.jpg)
Da Qaidam salt lake in Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province, July 25, 2018. The salt lake covering six square kilometers was formed by many years of mining, leaving a high concentration of salt called brine. It was named Emerald Lake because of its different and beautiful colors against the blue sky and snow-covered mountains. (Photo: China News Service/Liu Zhongjun)
![Da Qaidam salt lake in Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province, July 25, 2018. The salt lake covering six square kilometers was formed by many years of mining, leaving a high concentration of salt called brine. It was named Emerald Lake because of its different and beautiful colors against the blue sky and snow-covered mountains. (Photo: China News Service/Liu Zhongjun)](http://www.ecns.cn/hd/2018/07/26/1278af5bf5b84e9db806c5c1354e7943.jpg)
Da Qaidam salt lake in Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province, July 25, 2018. The salt lake covering six square kilometers was formed by many years of mining, leaving a high concentration of salt called brine. It was named Emerald Lake because of its different and beautiful colors against the blue sky and snow-covered mountains. (Photo: China News Service/Liu Zhongjun)
![Da Qaidam salt lake in Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province, July 25, 2018. The salt lake covering six square kilometers was formed by many years of mining, leaving a high concentration of salt called brine. It was named Emerald Lake because of its different and beautiful colors against the blue sky and snow-covered mountains. (Photo: China News Service/Liu Zhongjun)](http://www.ecns.cn/hd/2018/07/26/3fcfedcc812546608773f0d671a2d90d.jpg)
Da Qaidam salt lake in Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province, July 25, 2018. The salt lake covering six square kilometers was formed by many years of mining, leaving a high concentration of salt called brine. It was named Emerald Lake because of its different and beautiful colors against the blue sky and snow-covered mountains. (Photo: China News Service/Liu Zhongjun)