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See also: category:color appearance phenomena
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This category has the following 3 subcategories, out of 3 total.
- ► Gravity hills (14 P)
- ► Impossible objects (14 P)
The following 124 pages are in this category, out of 124 total. This list may not reflect recent changes (learn more).
Media in category "Optical illusions"
The following 11 files are in this category, out of 11 total.