A train runs on the Lizigou Grand Bridge in Guanfenghai Township of Weining County in Bijie City, southwest China's Guizhou Province, Dec. 20, 2015. The Lizigou Grand Bridge, which measures 1,032 meters long with three main spans, is one of two massive structures on the Neijiang-Kunming Railway line. (Xinhua/Yang Wenbin)
