In deserts, the reflection of your sky off this layer of air may perhaps provide the illusion of a lake in the distance. psychol a notion that's not true to actuality, obtaining been altered subjectively in a way during the brain with the perceiver See also hallucination One more https://andrenvbfi.wikienlightenment.com/7804970/not_known_factual_statements_about_illusion_of_kundun_mu_online