Construction worker Liu Quan works on a cliff at a road section in the Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region, Nov. 12, 2018. The job of this team of construction workers is to install protective facilities on the cliff of risky road sections in the mountainous areas in Xinjiang, protecting pedestrians and vehicles from fallen stones. (Xinhua/Hu Huhu)