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| Description: If you stare at the cube, the surface on the outside and front will suddenly be on the inside and back, or vice versa, because your brain can interpret the sensory image in two different ways. The other blue-and-white drawing can also be perceived in two ways. Do you see them? Picture Stats: Views: 280 Filesize: 25.06kB Height: 521 Width: 448 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39049 |