集 8
2
What Lies Beneath
2022 年 06 月 12 日
• 42m
Molten metal, gigantic impacts, and volcanic eruptions; secrets unlocked from deep within the Earth reveal how life is able to exist on its surface.
展开
6
Dying Places
2022 年 07 月 10 日
• 42m
Towns, cities, and natural habitats are under threat from man and the Earth itself; examining disappearing places that may not be around to be enjoyed by the next generation, and the measures being taken to make sure that doesn't happen.
展开
7
Deep Freeze
2022 年 07 月 17 日
• 42m
It's a cold world full of frozen mysteries and secrets; unlocking how melting ice could have catastrophic consequences, why millions of tiny creatures thrive on an Alaskan glacier, and how to make an impossible lifesaving rescue.
展开