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这里位于唐古拉山脉北坡,比藏北更北,空气含氧量是海平面的1/2,水的沸点在70℃;格拉丹东冰峰雪线5700~5800米处的平均气温为零下10.4℃至零下11.4℃,很不适合人类生存。然而,这里却有定居的牧民。我们这天晚上就住在他们帐篷下面地势更低的一块台地上建造的两间土房子里,这里是他们的永久定居点。天一放晴,能见度便极好,这里拥有地球上最纯净的天空。走了一个多小时,眼前出现了两顶黑色帐篷。当我们的视线与帐篷刚刚平齐时,背景就是冰川,看起来似乎触手可及。
Here is located in the northern slope of the Tanggula Mountains, north of northern Tibet, the oxygen content of air is half the sea level, the boiling point of water at 70 ℃; Glacier East Ice Peak 5700 ~ 5800 meters at an average temperature of minus 10.4 ℃ to minus 11.4 ℃, it is not suitable for human survival. However, there are herdsman who settled here. We lived tonight in two earth houses built on the lower ground below their tent, their permanent settlement. The sky is clear and the visibility is excellent, with the purest sky on earth. More than an hour left, appeared in front of two black tents. When our line of sight is just flush with the tent, the background is glacier and seems to be within reach.