Surprising, 40, in shenyang, liaoning province, presently for hangzhou city public security bureau traffic police detachment of west lake cultural and educational squadron police battalion. Dialog background on April 21, around 20 points, 4 PM Wen Erlu college road, hangzhou city, zhejiang province for abandoned storm sewer leakage appear a nearly 30 cm of a rift, soon collapse into a nearly 20 square meters of hole. Thanks to the west lake the traffic police brigade police gift surprise found in time, and colleagues placed emergency isolation...