The Caspian Sea is also classed as the world's largest lake.
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Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
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The world's tallest snowman was created in Bethel, Maine in 2008. It measured in at 122 feet / 1 inch and weighed 13,000,000 lbs.
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A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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