Follows five trekkers and a local Chagga guide to the top of Kilimanjaro, the largest freestanding mountain in the world. Along their journey this diverse group of trekkers encounter strange landscapes and endure harsh conditions as they travel through five climate zones ranging from the lower rainforest reaches of Kilimanjaro to the summit's arctic glaciers.

Kilimanjaro - To the Roof of Africa

An investigation by Professor of Geological Sciences, Roger Bilham, of the science behind the earthquake and tsunami off the coast of Japan on March 11, 2011.