These real life phenomenons seem like optical illusions at the first glance.
Sun dogs, fallstreak holes, polar stratospheric clouds and more.
These unique natural occurences appear like something you are aware of but are something else entirely.
Image Courtesy: KULfoto.comThe ‘Underwater Waterfall’ Illusion
This looks more like a 3D painting than something real.
However it is real. This is in the Indian Ocean off the coast of Mauritius.
The illusion of the vortex is created by run-off sand and silt deposits.
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