This is the construction site of Wujiang River Bridge on Wengma Railway in Guizhou, China.
It is the largest-span single-track railway concrete arch bridge in China. Built on the steep Wujiang canyon, workers erect the bridge in the air, battling extremely tough terrain.
Guizhou is famous for its countless grand bridges, and this is one of the landmark engineering projects.
【SAFETY NOTE】All footage was taken from safe zones. Do not enter construction sites.
