Low-altitude airspace management test-fly in Haikou
(Xinhua) Updated: 2011-01-28 21:00|
 A girl tries to touch the propeller of a helicopter in Haikou, capital of South 皇冠体育app's Hainan province, Jan 28, 2011. [Photo/Xinhua] |
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 A helicopter takes off for a test-fly in Haikou, capital of South 皇冠体育app's Hainan province, Jan 28, 2011. [Photo/Xinhua] |
