Strange symbols in Chinese desert are spy satellite calibration targets, expert says http://www.foxnews.com/scitech/2011/11/17/mysterious-symbols-in-china-desert-are-spy-satellite-targets-expert-says/ …
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Strange symbols in Chinese desert are spy satellite calibration targets, expert says http://www.foxnews.com/scitech/2011/11/17/mysterious-symbols-in-china-desert-are-spy-satellite-targets-expert-says/ …