In deserts, the reflection on the sky off this layer of air may perhaps give the illusion of a lake in the distance. psychol a notion that is not correct to truth, getting been altered subjectively in some way from the mind in the perceiver See also hallucination Art https://lukasoxbgk.shoutmyblog.com/34842142/the-definitive-guide-to-illusion-of-kundun-mu-online