Rocks: Where They Come From
Rocks: Where They Come From
「Rocks: Where They Come From」フル ムービーをオンラインで視聴し、無料の をダウンロード. Follows Don as he sees different kinds of rocks at a granite quarry, sandstone cliff and museum. Demonstrates the effects of water, heat and pressure in the formation of rocks.
- ジャンル: ドキュメンタリー
- 国: United States
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