Mountains are the most prominent products of the immense forces which shape the living planet: tectonic drift, volcanic activity and erosion by wind, water, frost and precipitation. We see how wildlife adapts to the harsh, often extreme conditions in various types of mountain ranges, such as Gelada baboons on a suddenly volcano-pushed Ethiopian peek, pumas in the Andes, grizzly bears in the Rockies, snow leopards in the Himalaya (imdb)