Russian scientists are keen on proving that the seabed below the North Pole is part of the Eurasian continental shelf, an area called the Lomonosov Ridge.

CNN: Countries in tug-of-war over Arctic resources

Danish scientists are trying to prove that the Lomonosov Ridge is connected to Greenland, and Canadian scientists are looking for links between the ridge and Ellesmere Island, a Canadian territory.

CNN: Countries in tug-of-war over Arctic resources