On August 20, 2011, many pilots flying between Beijing and Shanghai had observed a very strange UFO. According to witness the size of the rounded UFO was so huge that it looks like another earth. According to Shanghai Daily news, in the recent months, UFO has been very active above China's sky, on this particular sighting, the UFO experts say the possibility of Aliens visiting earth is very slim, however what cause this phenomena still remain unknown.
UFO Global Reporting Center hopes to find out more in the near future.
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