On December 8, 2016, chongqing, the chongqing jiulongpo district wolfers avenue is the local tyrants and tomato road intersection pedestrian underpass, pedestrian tunnel with a total investment of about $52 million, a total construction area of 2500 square meters. Main channel width of 12 meters, 2-3 times that of ordinary pedestrian underpass. Channel length of 56 m, clear height of 4.5 meters, is the largest pedestrian underpass in chongqing. In addition, its main lighting by nine kinds...