Engineers in Sichuan China took 28 minutes to swing 187-foot overpass through 86 degrees above railway track. Bridge due to open to traffic mid-February.
NBC News: World
Mon, 01/26/2015 - 7:50am
Engineers in Sichuan China took 28 minutes to swing 187-foot overpass through 86 degrees above railway track. Bridge due to open to traffic mid-February.