Everest

: Despite its height, the "roof of the world" is capped with marine limestone, containing fossils from an ancient sea that once separated the two landmasses. The Human Challenge

Climbing Everest is as much a psychological battle as it is a physical one. Everest

: The mountain continues to rise by about 2mm each year due to tectonic pressure and a phenomenon known as erosional rebound, partly influenced by the Arun River. : Despite its height, the "roof of the

Everest's sheer size is the result of millions of years of tectonic history. : Despite its height