A curious child walking along the bank of the Yenisei River, some 42 km south from Russia's Siberian city of Krasnoyarsk. The temperature is about minus 23 degrees Celsius. Source: Reuters/Vostock-Photo
A woman walks past trees covered with heavy hoarfrost and snow on the bank of the Yenisei River, with the air temperature at about minus 26 degrees Celsius (minus 14.8 degrees Fahrenheit), outside Russia's Siberian city of Krasnoyarsk, December 24, 2012.
11) The Lena is the easternmost of the three great Siberian rivers that flow into the Arctic Ocean (the other two being the Ob River and the Yenisei River). It is the 11th longest river in the world and has the 9th largest watershed.