New Delhi, Sept. 4 -- Optical illusions are making waves on the internet due to their ability to improve concentration. The latest brain teaser to go viral on Reddit asks users to find a hidden lizard within 10 seconds. Only people with a high IQ and excellent eyesight could solve it.

This optical illusion was uploaded by a user named 08guru on the subreddit FindTheSniper. It features a downspout attached to a house. On one side of it, there is a small lizard on the pebbles. There is also a grassy area, with a few dried leaves scattered around it. A second lizard, companion to the first, is hidden somewhere in the photo. Can you find it within just 10 seconds?

Hint: The second lizard is not in the grassy area. Zoom in on the photo for a...