Rescuers work at train collision site on Qinghai-Tibet railway line Photo taken on Oct. 24, 2013 shows the train collision site on the Qinghai-Tibet railway line in northwest China's Qinghai Province. One person was killed and three others were seriously injured after an empty train hit a parked passenger train on the Qinghai-Tibet railway line in Qinghai on Wednesday. The collision happened at around 8:10 p.m. when the empty train, operated by Golmud East Railway Station, crashed into the No. 7581 passenger train just outside the station. Xinhua/Zhu Guifu