Category:Astronomical Sextant, Beijing Ancient Observatory
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Media in category "Astronomical Sextant, Beijing Ancient Observatory"
The following 3 files are in this category, out of 3 total.
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Beijing Ancient Observatory 20090715-07.jpg 5,616 × 3,744; 4.22 MB
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Beijing Ancient Observatory 91049.jpg 2,592 × 1,944; 1.44 MB
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Old Planetarium - 2.JPG 1,280 × 960; 699 KB