India, Aug. 18 -- Optical illusions have become a constant source of fascination online, drawing people into visual puzzles that test their powers of observation. These challenges are not only entertaining but also sharpen focus and attention to detail. The latest puzzle, shared on Reddit, features an intriguing image that has left viewers debating what exactly is hidden within the rocks.

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The picture shows a rugged rock formation, featuring sharp edges, cracks and mixed shades of brown, grey and white. At first glance, it appears to be nothing more than a natural outcrop. Yet within this rocky surface is a crab, camouflaged so effectively t...