Valery Kokoulin, 47, dressed as Santa Claus, rings a bell on his self-made yacht to mark the ending of the sailboat season, as the air temperature dropped to minus 23 degrees of Celsius (minus 9.4 degrees Fahrenheit), on the Yenisei River, outside Russia&#039;s Siberian city of Krasnoyarsk. (Ilya Naymushin/Reuters)
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