Puzzle Sampler 7

 

Ambiguous optical illusions are images, which contain one or several concealed objects in them. Puzzle Prime has a large library of hand-picked optical illusions, which you can find HERE.

Optical Illusion

What is written on the painting below, illustrated by John Langdon?

Answer

On this painting you can see both words "Question" (in yellow color) and "Answer" (in the black color).