Crew members of Flight CZ 6035 work in the cabin 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]