India, Aug. 20 -- Optical illusions are pictures that make our brains see things that aren't really happening. Our eyes and brain sometimes interpret them in the wrong way.

These illusions come in many forms, some play with colours and light, some with perspective, and others with shapes and motion.

Optical illusions not only entertain us but also challenge our brains, forcing us to question how we perceive the world around us.

Here's a tricky optical illusion posted on Instagram by @michaeloftiktok that challenges your eyes and mind.

At first, it looks like the cubes are spinning, one clockwise and the other anticlockwise. But if you look closely, you'll see that the cubes are completely still.

The challenge is to figure out why the...