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.
Krasnoyarsk region, Siberia, Russia The krai lies in the middle of Siberia, and occupies nearly half of the Siberian Federal District, almost splitting it in half, stretching 3,000 km from the Sayan Mountains in the south along the Yenisei River to the Taymyr Peninsula in the north. It borders Tyumen, Tomsk, Irkutsk, and Kemerovo Oblasts, the Republic of Khakassia, the Tuva Republic, and the Sakha Republic, and the Kara Sea and Laptev Sea of the Arctic Ocean in the north.
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