Can you imagine an island that appears and disappears to come back again once in 7 years? Back in 1821, a man claimed he stumbled upon an island close to Antarctica and decided to give it a special name: Emerald Island, after his ship. Some people claim they've seen the island with their very own eyes, while others say it's nothing but a myth. Even those who claim to have seen Emerald Island can't seem to agree on what it looks like. So, could it be real, and could it be the only weird island in the world?

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