Passengers of Flight CZ 6035 board the plane in Lanzhou Zhongchuan International Airport in Lanzhou, capital city of Northwest China's Gansu province, July 16, 2015. China Southern Airlines launched a new air route connecting Lanzhou, Urumqi and St. Petersburg on Thursday. The flight CZ6035/6 will be carried out by a plane of Boeing 757 every Monday, Tuesday, Thursday and Saturday. It has been so far the shortest flight from China's Urumqi to Russia's St. Petersburg with the travelling time of 5 hours.[Photo/Xinhua]