A 3,400-tonne-weight steel truss girder is lifted by a crane at the construction site of Pingtan cross-strait expressway-railway bridge in southeast China's Fujian Province, Jan. 22, 2018. The first 3,400-tonne-weight steel truss girder of the bridge, a key project of Fuzhou-Pingtan railway and Changle-Pingtan expressway, was installed successfully on Monday. (Xinhua/Lin Shanchuan)