Pölyä Kiinan yllä 12.3.2010
NASA’s Aqua satellite image
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By NASA [Public domain], via Wikimedia Commons; http://upload.wikimedia.org/wikipedia/commons/2/26/Dust_over_China_2010-03-12_lrg.jpg
By NASA [Public domain], via Wikimedia Commons; http://upload.wikimedia.org/wikipedia/commons/2/26/Dust_over_China_2010-03-12_lrg.jpg