India, Sept. 27 -- Who does not enjoy a clever optical illusion? For countless internet users, these puzzles have become a favourite pastime. They offer a playful test of observation skills while also sparking lively discussions online. If you are fond of mind-bending challenges, the latest illusion circulating on Reddit promises to be a treat.

(Also read: Optical illusion: Can you spot the hidden word 'ball' in just 10 seconds?)

The image, shared by a Reddit user, captures the trunk of a coconut palm tree. Its rough, ringed bark and fibrous layers stretch upward while green fronds sway gently in the background under bright daylight. At first glance, it appears to be nothing more than a scenic tropical snapshot. Yet hidden in plain sigh...