We headed westwards to Ngari, Tibet, and were about to enter Ngari from Yecheng, Xinjiang. On the way to Yecheng, Xinjiang, we accidentally received an article from a friend about the Emerald Lake in Dachaidan, Haixi Prefecture, Qinghai. We were immediately attracted by the beautiful scenery described in the article. We all agreed to pass by the Emerald Lake in Dachaidan to see its beautiful scenery.