(181226) -- QINGDAO, Dec. 26, 2018 (Xinhua) -- Passengers take high speed train G9218 from Qingdao to Jinan, east China's Shandong Province, Dec. 26, 2018. The Jinan-Qingdao high speed railway which started operation on Wednesday will shorten the travel time between the two cities from 140 minutes to 100 minutes. (Xinhua/Li Ziheng)