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Greenwich was a royal observatory at 500's. There was a royal palace in greenwich before year 1300.

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The royal observatory is greenwich's most popular sight. There are made much scientific breakthroughs.

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Greenwich is located to London, downstream of the Thames. Greenwich is built to A large area.

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Greenwich is a center of time. That means that time zone and longitude 0 begins from Greenwich. So Greenwich cuts the planet half.