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Entrance to Natural Bridge, No. 16 from the series "Imperial Gems"
From the collection of Art Institute of Chicago. Free to download, adapt and use — no permission needed.
Credit lineEntrance to Natural Bridge, No. 16 from the series "Imperial Gems". 1875/99. H. D. Udall, American, active late 19th century. The Art Institute of Chicago, Gift of Harold Allen. CC0.