URUMQI, June 11, 2016 (Xinhua) -- Frontier guards Aji Maimaiti helps build a yurt for herdsmen of Kirgiz ethnic group in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region, June 6, 2016. Frontier guards helped Kirgiz nomads move to their summer pasture over the border areas of some 4,000 meters above the sea level here in Xinjiang. (Xinhua/Zhao Ge)