It is perhaps the last great Antarctic expedition - to find an explanation for why there is a great mountain range buried under the White Continent.
The Gamburtsevs match the Alps in scale but no-one has ever seen them because they are covered by up to 4km of ice.


"You can almost think about it as exploring another planet - but on Earth," said Dr Fausto Ferraccioli from the British Antarctic Survey.

"This region is a complete enigma. It's in the middle of the continent. Most mountain ranges