Tibetan yaks graze on the grassland near the Yamzhog Yumco Lake in the Nanggarze County, Lhoka Prefectrure, southwestern China's Tibet Autonomous Region (TAR), photo from China Tibet Online.
Located in Nanggarze County of Lhoka Prefecture, southwest China's Tibet Autonomous Region (TAR), Yamzhog Yumco Lake is regarded as one of the three sacred lakes along with Mapam Yumco Lake and Namtso Lake.