Worker Ren Peng checks maintenance worklist at the Xinjiang section of Lanzhou-Xinjiang high-speed railway in Urumqi, Northwest China’s Xinjiang Uygur autonomous region, Feb 5, 2018. Engineers examine the rail every night to ensure the safety of trains and passengers. [Photo/Xinhua]
Workers check the quality of rail at the Xinjiang section of Lanzhou-Xinjiang high-speed railway in Urumqi, Northwest China’s Xinjiang Uygur autonomous region, Feb 5, 2018. [Photo/Xinhua]
Workers carry parts to repair rails at the Xinjiang section of Lanzhou-Xinjiang high-speed railway in Urumqi, Northwest China’s Xinjiang Uygur autonomous region, Feb 5, 2018. [Photo/Xinhua]
Worker Wang Jiaqi writes down statistics at the Xinjiang section of Lanzhou-Xinjiang high-speed railway in Urumqi, Northwest China’s Xinjiang Uygur autonomous region, Feb 5, 2018. [Photo/Xinhua]
Worker Yan Yangyang checks rails by measuring the width between rails at the Xinjiang section of Lanzhou-Xinjiang high-speed railway in Urumqi, Northwest China’s Xinjiang Uygur autonomous region, Feb 5, 2018. [Photo/Xinhua]