In Henry Olerich's, "A Cityless and Countryless World" what planet do the aliens come from?
Henry Olerich Henry Olerich (1851–1927) was a utopian author from Nebraska. In his best known novel, "A Cityless and Countryless World" (1893), a Martian lands on earth to teach humans how to create paradise. The method was to build houses that could hold 1,000 people, who would collectively farm and work.
Floating city (science fiction) In science fiction, floating cities are settlements that strictly use buoyancy to remain in the atmosphere of a planet. However, the term generally refers to any city that is flying, hovering, or otherwise suspended in the atmosphere.