'A battleground of immense geological forces that is a centre of human tectonics as well, with sacred and secular, tradition and technology, all pushing up against each other ... 'In Himalaya, Michael Palin travels the length of the world's most astonishing mountain range from its origins in the Khyber Pass to its final descent to the sea in the Bay of Bengal. Along the way he encounters landscapes both beautiful and deadly - and meets the extraordinary people who make these mountains their home.