A photo shows a flyover in construction in Taiyuan on Jan 17. It is the most difficult part of the Xindian Street reconstruction project, which is one of the major urban infrastructure projects in the city. The project starts from Binhe East Road to Wohushan Road with the length being 6.2 kilometers. [Photo/Shanxi Daily]

A flyover is in construction in Taiyuan on Jan 17. The highest point of the overpass is 18 meters away from the ground. From top to bottom, the overpass contains Hengshan Road Viaduct, Xindian Street Viaduct, turning ramps, ground roads and underground passages. There are 17 railway lines and three railway lines under construction in the construction area of the flyover. [Photo/Shanxi Daily]