https://creativecommons.org/publicdomain/zero/1.0/ https://www.rawpixel.com/image/3076051 Buttercups, Mt. Desert (July 9, 1877) by Samuel Colman. Original from The Smithsonian Institution. Digitally enhanced by…

Buttercups, Mt. Desert (July 9, 1877) by Samuel Colman. Original from The Smithsonian Institution. Digitally enhanced by rawpixel.

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