1 Season
50 Episode
Crash Course Geography - Season 1 Episode 18 What Are Rocks and How Do They Form?
From towering mountains to pebbles along a river, the Earth is made of a huge variety of rocks. In today's episode, we're going to follow the rock cycle of a piece of granite in the Himalayan mountains, and as you'll see, every rock has a far-reaching story to tell often millions of years in the making.
- Country : United States of America
- Genre : Documentary
- Director :
- Cast : Alizé Carrère