India, May 14 -- Optical illusions have long fascinated the public by revealing just how easily our eyes and brains can be tricked. At their core, these illusions are visual puzzles that challenge our perception - often making us see things that aren't really there or obscuring objects hidden in plain sight. Whether it's a shape that appears to move, colours that seem to shift, or an image that cleverly conceals something unexpected, optical illusions play on the gap between what we see and what we think we see.

(Also read: This tricky optical illusion will test your focus. How many circles can you spot in this image?)

If you're a fan of these mind-bending challenges, then this optical illusion shared on Facebook is sure to leave you sc...