An optical illusion is challenging viewers to find a cleverly camouflaged dog hidden within a snowy, tree-filled scene. The artist has expertly blended the dog into the surroundings, testing focus and perception. If you can spot the dog in under 15 seconds, you may have excellent attention to detail and strong pattern recognition skills.source https://timesofindia.indiatimes.com/life-style/health-fitness/de-stress/optical-illusion-only-the-most-observant-can-spot-the-hidden-dog-in-this-picture-can-you/articleshow/123061352.cms