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A Russian couple wears facemasks to protect themselves from smog while walking through Red Square in Moscow on July 27, 2010. Inhabitants of Moscow gasped in a sizzling heatwave as the Russian capital saw record high temperatures and was blanketed in a heavy cloud of smog from forest and peat fires. AFP PHOTO / ANDREY SMIRNOV (Photo credit should read ANDREY SMIRNOV/AFP/Getty Images)
