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This strange dark blue spot can be found in the ocean off
the Central American country of Belize. But what is it?
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It’s called the Great Blue Hole, and it’s an underwater cave
over 400 feet deep!
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These pools of water in Turkey look like they were created
by people. What are they?
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They’re natural rock formations, filled with water heated
by lava deep underground. People love to bathe in them!
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Hawaii is known for its volcanoes. But how close can you
actually get to the lava? Don't volcanoes explode?
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Hawaii is one of only a few places on earth where
there are gentle lava flows you can see up close!
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This lake is located in Yellowstone National Park, USA. It's
heated by lava deep underground. But why's it so colorful?
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The water is too hot for animals to swim in or drink. But it's
filled with colorful, heat-loving germs called bacteria!
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What on earth is going on here? Are these some kind of...
glow sticks?!
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Nope! This is called Waitomo Cave in New Zealand. Each
light is given off by a type of insect called a glowworm.
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Each glowworm spins a long, sticky thread, like a spider,
then uses the light to attract insects that get caught in it!
🎉
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