For the seventh and final Illusion art and performance ... to do live drawing along with dance and musical performances. Artists wear white; the audience wears black. Every Illusion has a theme ...

Brain teasers and optical illusion puzzles can help you prepare ... shoe within a sharp timeline of 12 seconds from the black-and-white frame to prove that you have strong and sharp eyesight.

THIS optical illusion is so difficult that anyone who ... All the lines are straight. The black and white blocks are not aligned which confuses our brains into believing they're sloped.

Ji Hyang Ryu said it took her about two weeks — and two litres of black paint — to turn the white walls into an artistic illusion. She said it was her first time working on such a concept ...