A soldier of a truck transportation regiment of the Qinghai-Tibet Corps stands guard amid snow at a parking lot of the Tuotuo River army service station on the Qinghai-Tibet Highway, southwest China's Tibet Autonomous Region, Sept. 26, 2014. The transportation regiments of the Qinghai-Tibet Corps of the Chinese People's Liberation Army (PLA) has been undertaking cargo transporation for PLA troops in Tibet region since 1954. For 60 years, they conveyed more than 800 metric tons of materials, accomplishing about 80 percent of troop transportation task in the Qinghai-Tibet Plateau. (Xinhua/Wang Song)