India, Dec. 23 -- Optical illusions are becoming more and more popular on the internet. Thousands of people have made optical illusions their favourite pastime because of the game's simplicity and directness. The latest brain teaser to go viral on the internet asks players to investigate a photo taken from a plane in mid-air.

A user posted the challenge on the subreddit FindTheSniper. At first glance, there is an aerial view of a vast, desert-like landscape. A portion of an airplane wing is visible in the upper left corner of the photo. Meanwhile, wisps of tiny clouds sprinkle the sky above. The earth underneath is vast and has a rough, arid landscape. The terrain is a patchwork of tans and browns broken up by formations resembling canyo...