This video was apparently developed with scenes taken from the BBC series Walking with Monsters. (But don't completely quote me on that.)
For more smart videos, see our YouTube Playlist.
Get the best cultural and educational resources on the web curated for you in a daily email. We never spam. Unsubscribe at any time.
FOLLOW ON SOCIAL MEDIA
Open Culture scours the web for the best educational media. We find the free courses and audio books you need, the language lessons & educational videos you want, and plenty of enlightenment in between.