It looks like something out of a sci-fi movie, but it's perfectly normal.

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Animals are under threat around the world, but there are some great comeback stories, too. Here are eight species that beat the odds and are no longer considered endangered.
Sometimes, the desire to get close to the famous continues even after the celebrity has died.
The next time you’re feeling less than brave, remind yourself you’re already one of nature’s great success stories.
2. It once had an imaginary friend called Vulcan.
Depending on where you're from, you might consider pigs, chimney sweeps, or knocking on wood good luck.
Sometimes, the most unexpected guest shows up.
What if a well-known author wants to write something completely different without alerting their fans? That's where pseudonyms come in.
Sometimes, when Google Earth stitches its images together, it doesn't quite go according to plan...