Staff members carry out cleaning and maintenance work on one of the main cables of the Sidu River Bridge in central China's Hubei Province, Oct. 10, 2018. The suspension bridge crosses the Sidu River valley near the boundaries of Yichang and Enshi in Hubei Province. The top point of the bridge is 650 meters above the bottom of the valley, a height comparable to a 200-storey skyscraper. (Xinhua/Zhu Wei)