Technicians inspect and maintain the Zhicheng Yangtze River Bridge, a road-rail truss bridge across the Yangtze River in Zhicheng, Hubei Province, April 3, 2018. The bridge, 1,742.3 meters long, is the third road-rail crossing on the Yangtze River. Workers need to climb 50 meters high every day for routine maintenance. (Photo: China news Service/Liu Kang)
