49:24

Ice Diamonds: Inside Canada’s Ethical Diamond Mines | SLICE TRAVEL | FULL DOC

10:29

European sea during the Early Devonian

4:09

First land plants, Early Devonian

3:53

Ancient delta in the United States during the Carboniferous period

2:57

Catskill Braided Stream from the Late Devonian Pennsylvania

21:33

That's Why Germany Is Purposely Flooding the Biggest Mines in the Cities

2:21

Middle Devonian flora of New York

2:06

Flora of the Catskill formation, End Devonian