An explosion-proof light rail train undergoes a test in CRRC Changchun Railway Vehicles Co., Ltd. in Changchun, capital of northeast China's Jilin Province, July 25, 2019. The train, manufactured by CRRC Changchun Railway Vehicles Co., Ltd., will be used for the red line of the light rail system in the Israeli city of Tel Aviv. The 23-km line is schedule to be put into operation in 2021. (Xinhua/Wang Haofei)