India, Sept. 18 -- The popularity of optical illusions is spreading like wildfire on the internet. Millions of people have made these games their favorite pastime since these brain teasers are great at improving concentration and observation skills. If you prefer to put your patience and eyesight to the test, this challenge is perfect for you. All you must do is find a frog in this photo of a log within just 10 seconds.

This viral optical illusion was uploaded to the subreddit FindTheSniper by a user named JUSTAAAAAAAN. At first glance, the picture depicts a close-up of a weathered and cracked tree stump surrounded by green grass. A frog is somewhere subtly hidden in the photo. Players must locate it within 10 seconds.

Although this vir...