Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
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A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
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When you shave a guinea pig it looks like a little hippo.
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