Train conductor Li Jia poses for a group photo with newly-weds, who are attending a group wedding, on the bullet train G2028 that starts from Lanzhou, northwest China's Gansu Province, July 9, 2017. A new high speed railway linking Baoji city in northwest China's Shaanxi Province with Lanzhou, capital of neighboring Gansu Province, started operation Sunday. Thanks to the new route, northwest China's Gansu and Qinghai provinces as well as Xinjiang Uygur Autonomous Region have been connected to the national high-speed rail network. (Xinhua/Chen Bin)