https://creativecommons.org/publicdomain/zero/1.0/ https://www.rawpixel.com/image/429650 Balloon with two passengers hovering over a French town square by Camille Gravis. Original from Library of Congress.…

Balloon with two passengers hovering over a French town square by Camille Gravis. Original from Library of Congress. Digitally enhanced by rawpixel.

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