Photo taken on July 17, 2017 shows flight simulators in Tianjin, north China. An aviation company in Tianjin Monday received China's first top-level full flight simulator. The simulator was delivered by ACCEL (Tianjin) Flight Simulation, a joint Sino-U.S. venture between Haite High-Tech and Rockwell Collins, established last year. (Xinhua/Mao Zhenhua)
