A visitor walks underneath a Gulfstream aircraft (R) at the 2013 Asian Business Aviation Conference & Exhibition (ABACE2013) held at the Shanghai Hawker Pacific Business Aviation Service Centre on Hongqiao Airport in Shanghai on April 16, 2013. The annual show will run on April 16, 17 and 18 and features all major business aviation aircraft manufacturers. AFP PHOTO/Peter PARKS (Photo credit should read PETER PARKS/AFP/Getty Images)