A lone man walks across an expanse of ice; a mottled tundra; desert badlands. The single human figure becomes a focal point as images from Earth’s diverse ecosystems change underfoot. In this visual ...

The environments in which we enjoy outdoor recreation are also relied on by other species for survival, and every mountain ...

Study of mountain lands and peoples : a critical overview / Kenneth Hewitt -- High mountains as human habitat / Erwin F. Groetzbach -- Comparative geography of high mountains of the world in the view ...