Herders' tents at the foot of Tanggula Mountain

Yaks at the foot of Tanggula Mountain in a summer snow in June

Shepherdess at the foot of Tanggula Mountain

A truck runs by the Tanggula Mountain pass.

Tibetan herders walk at the foot of Tanggula Mountain to Lhasa.

Flying sutra streamers on Tanggula Mountain, photos from Xinhua

According to Mongolian, Tanggula Mountain means "the high muntain even eagle can't fly across". Tanggula Mountain links Kunlun Ranges with thin air and rigorous climate, to show a boundlessness of "life forbidden zone".

Tanggula Station of Qinghai-Tibet Railway sits on an altitude of 5,068 meters. A sightseeing platform is set on the station for tourists enjoying this unique landforms.