ONLY those with 20/20 vision can find all ten hidden animals in a ruff puzzle.
The demanding optical illusion is made even harder with just a 30-second time limit.
ShutterstockCan you spot the 10 hidden animals in under 30 seconds?[/caption]Happy park-goers made the most of a sunny day as they biked, walked their dogs, and picnicked with friends.
While the cheerful image is jam-packed with plenty of frolicking dogs and critters, the puzzle is no walk in the park.