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Purple Golden Mountain Observatory, Horizontal Theodolite
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Purple Golden Mountain Observatory, Acient Observatory 1
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Purple Golden Mountain Observatory, Acient Observatory 2
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Purple Golden Mountain Observatory, Acient Observatory, 600mm Reflecting Telescope
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Purple Golden Mountain Observatory, View Watching Platform 1
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Purple Golden Mountain Observatory, View Watching Platform 2
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Purple Golden Mountain Observatory, Sun Observation Telescope
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Purple Golden Mountain Observatory, Armillary Sphere 2
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Purple Golden Mountain Observatory, Celestial Sphere
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