The floor was wet and there were signs of cleaning. Walking up to the pump room, the sound of this huge air convection was deafening. The security guards were afraid to approach the pump room, and all stopped outside the house, cowering. Dana did not care too much and walked in. Old Sha also walked in, but after entering the door, tightly pulling a handle against the door dead. Now Dana and Lao Sha saw clearly, the location of the pump room well sunken into a large pit. Two huge pipes, originally closed to drill into the ground, but now, the pipes from the middle of the large pit, straight down. The wind whistled as it poured in from outside the pump room and blew into the large pit. Old Sha grabbed the handle, not driven by the wind, but it is clear that the force of the wind can be f

