Professor Iain Stewart explores man's relationship with fire. Along the way he dives in a mysterious lake in Oregon, climbs a glacier of salt and takes a bath in crude oil. Show more
Discover 11,128,835 listings and 278,136 playable programmes from the BBC
Professor Iain Stewart explores man's relationship with fire. Along the way he dives in a mysterious lake in Oregon, climbs a glacier of salt and takes a bath in crude oil. Show more