YES and NO coexist in this sculpture by Markus Raetz.  When viewed from one angle, the word YES can be seen.  Moving to a different vantage point reveals that the word NO is also present.  Can you see how the letters E and S form the letter O when viewed at an alternate angle?

Other Optical Illusions You Might Enjoy

Bad For Your Eyes

18

Peace 3D Stereogram Optical Illusion Video

8

Moving Snakes Motion Illusion

8

Delboeuf Illusion

8

Dual Axis Illusion

8

All Is Vanity by Charles Allan Gilbert

8