![](http://www.ecns.cn/hd/2021/07/22/b09ab087e23c44d6b272ff411fc29421.jpg)
A team affiliated to China's scientific expedition of the Tibetan Plateau conducts research at Jieze Caka, a lake located at 4, 500 meters altitude in the Ali Prefecture, southwest China's Tibet Autonomous Region, July 21, 2021. (Photo: China News Service/ Sun Zifa)
![](http://www.ecns.cn/hd/2021/07/22/60a149630ae242ffa13a1cfcd8783abd.jpg)
A team affiliated to China's scientific expedition of the Tibetan Plateau conducts research at Jieze Caka, a lake located at 4, 500 meters altitude in the Ali Prefecture, southwest China's Tibet Autonomous Region, July 21, 2021. (Photo: China News Service/ Sun Zifa)
![](http://www.ecns.cn/hd/2021/07/22/b7a3ca76756a4458a2aff3e8129c037b.jpg)
A team affiliated to China's scientific expedition of the Tibetan Plateau conducts research at Jieze Caka, a lake located at 4, 500 meters altitude in the Ali Prefecture, southwest China's Tibet Autonomous Region, July 21, 2021. (Photo: China News Service/ Sun Zifa)