An acrobat performs walking on the wings of an aircraft on the opening day of the AOPA-China Fly-In 2013 air show in Shenyang, capital of northeast China's Liaoning Province, Sept. 20, 2013. The AOPA-China Fly-In 2013 air show opened on Friday, attracting over 150,000 spectators. (Xinhua/Wang Yan) |