Tianjin North news: last night, 23, Development Zone Eighth Street roared loaded with sand of engineering vehicles, guarding the road development detachment Eighth Avenue squadron dormitory a piece of calm. The hospital has a cottage, through the green tarpaulin sent out a dim light. The 22 year old Zhang Mengfan soldiers waited at the cottage, from time to time, he was also in the dark yard and spinning around. "Yang Gang, Cai Jiayuan, Zi Qinghai, into the circle of sacrifice, 4 comrades lost, and...