India, Aug. 7 -- Have you ever seen two pictures that look the same, but something feels different? That's what a "spot the difference" puzzle is all about. These puzzles test how good you are at noticing small details.

In these brain teasers, two pictures are shown side by side. At first, they seem identical. But if you look closely, you'll find small changes.

Here's a brain teaser posted on Instagram by @pixel.hunt_, which challenges viewers to find the differences between two identical-looking pictures.

The challenge looks simple, but it's quite tricky. You'll see two pictures that look the same at first. Both show a lion, a tree, the sun, one cloud, and greenery all around. But if you look carefully, you'll notice that some small d...