99 28 7Download size Original (4076 x 5996) Large (1920 x 2824) Medium (1280 x 1882) Small (640 x 941) Grayscale Photo of Spiral Stairs architectural designarchitecturebuildingdesignemptyfuturisticglass itemsillustrationindoorsinsidelightlow angle shotmodernperspectiveroomstairsstepwindows
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