Cars drive along the 'Yenisei' federal highway past an ancient Scythian burial place (front) in the steppe area, with the air temperature at about minus 25 degrees Celsius (minus 13 degrees Fahrenheit), in the Tersky Log valley of the Bogradsky district in Khakassia Republic, southern part of Siberia, Russia, January 4, 2016. (Photo by Ilya Naymushin/Reuters)
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