Category:Photographs by Konstantin Tsiolkovsky
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Media in category "Photographs by Konstantin Tsiolkovsky"
The following 2 files are in this category, out of 2 total.
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Geometric bodies made by Konstantin Tsiolkovsky.jpg 945 × 697; 102 KB
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Семейство Циолковских.jpg 519 × 800; 61 KB