Asia's largest business aviation exhibition to be held in Shanghai (1/6)

Workers clean an airplane prior to the Asian Business Aviation Conference and Exhibition (ABACE) in Shanghai, east China, April 14, 2014. A total of 20 exhibitors, including Boeing and Airbus, will take part in the ABACE 2014 from April 15 to 17 in the city. (Xinhua/Chen Fei)