Season 28 Episodes23
Discussion
0 comments
Join the conversation
Share your take and reply to other fans.
No comments yet
Be the first to share your thoughts on this episode.
No Image
Measuring the Roof of the World
Mar 25, 199160 min
Horizon examines the problems and cartography involved in mapping mountains such as Mount Everest. They follow the history of of mapping from those surveys conducted by mountaineering expeditions and early explorers, to modern mapping techniques using planes and satellites. Horizon also considers the startling news
Seasons62
Episode Summary
"Measuring the Roof of the World" is episode 13 of Horizon season 28. It aired on March 25, 1991.