January 27, 2011
29,493
73
6
0.27%
Every word spoken in this episode is indexed. Type any phrase to jump straight to the moment it was said.
Type any word or phrase that may have been spoken. Click a result to seek the player to that exact moment.
Try a name, a topic, or a quoted line
2:55Now PlayingSubscribe and 🔔 to the BBC 👉
Watch the BBC first on iPlayer 👉 More about this programme
Iain Stewart flies by microlight over the mysterious Parallel Roads in Glen Roy. It was here that Swiss scientist, Louis Agassiz, solved a puzzle in the landscape that would prove to him that the world had once been gripped by an ice age.
#bbc
Sentinel Indexing in Progress
Metadata and chapters are available. Claim extraction for this episode is pending.
All video content is delivered via YouTube embedded players in accordance with the YouTube Terms of Service. Sentinel provides research tools that promote discovery and accountability across political media.