The launching ceremony of the low-altitude airspace management reform test-fly is held in Haikou, capital of South China's Hainan province, Jan 28, 2011. The low-altitude airspace management reform test-fly, the first of its kind in China, launched here on Friday. The nearly two-month test-fly marked the beginning of the low-altitude airspace management in Hainan. [Photo/Xinhua]
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