Elephants are among the most emotional creatures in the world - they have even been known to rescue other animals, such as trapped dogs.
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A couple from Bristol who had trouble selling their house, found out they had an original Banksy on their wall, and received twice the asking price by selling the painting with a house attached.
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Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
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There's a rare breed of pig that looks like a sheep.
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In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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