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Caves
From the Series Nature in Action
Bit by bit, over thousands or even millions of years, water carves and shapes rock into designs only nature could create. Deep in limestone or under a few feet of hardened lava, on an ocean… Read More →
Tornado
From the Series Nature in Action
The day is hot and muggy, but cool weather is moving in. All at once, there's a thunderous rumble that sounds like an approaching freight train. The sky darkens and the wind picks up. A… Read More →
Lightning
From the Series Nature in Action
One hundred bolts of lightning strike the earth every second. Each bolt has two or more electrical flashes moving quicker than the eye can see. In Lightning, find out about the powerful… Read More →