NANJING, Jan. 8, 2016 -- Passengers chat on the last green train departing from Nanjing, east China's Jiangsu Province, Jan. 8, 2016. Train No. 7101 has been in service since the 1980s, running between Nanjing and Huangshan Mountain stations. It covered a distance of 371 kilometers with more than eight hours. As this slow-speed green train departed for the last time on Friday, many people boarded to bid farewell to it. (Xinhua/Li Xiang)