THE FLAMMARION. An engraving. https://commons.wikimedia.org/wiki/File:Flammarion.jpg Quoted from Wikipedia: (in) English: "The Flammarion engraving is a wood engraving by an unknown artist that first appeared in Camille Flammarion's L'atmosphère: météorologie populaire (1888). The image depicts a man crawling under the edge of the sky, depicted as if it were a solid hemisphere, to look at the mysterious Empyrean beyond." The caption underneath the engraving translates to: "A medieval missionary tells that he has found the point where heaven and Earth meet…" Date 1888 Source Camille Flammarion, L'Atmosphère: Météorologie Populaire (Paris, 1888), pp. 163 Author Anonymous". This image is in the public domain. "The print depicts a man, clothed in a long robe and carrying a staff, who is at the edge of the Earth, where it meets the sky. He kneels down and passes his head, shoulders, and right arm through the star-studded sky, discovering a marvellous realm of circling clouds, fires and suns beyond the heavens." "The caption that accompanies the engraving in Flammarion's book reads: A missionary of the Middle Ages tells that he had found the point where the sky and the Earth touch... "