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A striking optical illusion depicts an abstract torus or ring shape created by alternating black and white concentric stripes that curve and twist in space.
Silhouette portrait of a man. Optical illusion with silhouettes of faces in black and white. Black and white abstraction with silhouettes of people
Driven Purpose Abstract Minimalist Geometric Designs, Impossible Shapes and Optical Illusion Background vector illustration
Visual pathway. Human brain and eyes, optic nerves, and visual cortex. Medical diagram
Black Microscope Icon for Scientific Research and Laboratory Use,"Microscope Icon Science Research"

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