Ignis Fatuus, Will-'o-the-Wisp or Jack-'o-Lantern, a dancing light caused by marsh gas in a swampy ground.

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Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, --wisp, -lantern, 19th, caused, century, dance, dancing, fatuus, gas, ground, ignis, illusion, jack-, light, marsh, swamp, swampy