Rio de Janeiro was once capital of Portugal, making it the only European capital outside of Europe.
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Afghanistan's capital Kabul means "hump backed".
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China's capital Beijing means "Gate".
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Thailand's capital Bangkok means "city of angels".
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Singapore means "Lion city".
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Spain's capital Madrid means "place of abundant water".
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The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
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