SHANGHAI, March 26, 2012 (Xinhua) -- A staff member cleans a business plane during the Asian Business Aviation Conference and Exhibition (ABACE) in Shanghai, east China, March 26, 2012. The ABACE 2012 will kick off in Shanghai on Tuesday, with the participation of 150 exhibitors. Some 30 business aeroplanes will be displayed during the event. (Xinhua/Chen Fei)