Mountains create frozen habitats on every continent on Earth, and each of these high-altitude worlds holds unique challenges. We begin our journey close to the equator - the furthest point from the poles - in East Africa. Here on the high slopes of Mount Kenya, during the day the tropical sun keeps the cold at bay, but at night the frost descends.Mountains create frozen habitats on every continent on Earth, and each of these high-altitude worlds holds unique challenges. We begin our journey close to the equator - the furthest point from the poles - in East Africa. Here on the high slopes of Mount Kenya, during the day the tropical sun keeps the cold at bay, but at night the frost descends.