Bitcoin Mining Official Platform, At 2013 Nian 1 · 28 metro construction collapse, for example, according to China Youth Daily reported at the time, and afterwards, according to expert analysis, the collapse of the current situation and geological drawings display different. Experts judged according to the surrounding geological conditions that when the blasting operation was carried out underground, the rock layer just happened to be thin. The geology of the subsidence site is more likely to be weathered. These obvious hidden dangers should be confirmed during the prior exploration, and the construction party and the supervision department should also be vigilant during the construction process, but in the end, all of them were left as an irreparable accident.Bitcoin Mining Official Platform,