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Chartres , France- circle Source
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Moscow, Russia - circle Source
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Venice, Italy - Parabola Source
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Grand Army Plaza, Brooklyn - parabola
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Washington D.C - ellipse
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SourceNew York City, New York - parabola
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Suntec City, Singapore - circle Source
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Rome, Italy - ellipse Source
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United Kingdom - ellipse Source
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Charlotte, North Carolina - parabola Source