People prepare to board flight CZ6043 at Changsha Huanghua International Airport in Changsha, central China's Hunan Province, June 12, 2019. An air route was launched Wednesday to link Changsha, capital city of central China's Hunan Province, with Nairobi, capital of Kenya, the operator said. Operated by China Southern Airlines with an Airbus 330, the outbound flight departed Changsha Huanghua International Airport at around 1 a.m. in Changsha. (Xinhua/Chen Sihan)