The highly anticipated tallest building in northern China, Tianjin 117 Tower, will officially resume work on April 30th. This landmark building located in the High tech Industrial Park of Xiqing District, Tianjin, started construction in September 2008 and went through hardships. In September 2015, the main structure was topped out, with a height of 596.5 meters, making it the tallest building under construction in China and creating 12 world records.