New Delhi, July 31 -- Optical illusions have gained popularity these days due to their ability to challenge people. These brain teasers provide an entertaining pastime to social media users around the world and allow them to sharpen their focus. Be it finding a hidden animal or looking for minute differences in two pictures, these optical illusions are an entertaining way to engage your brain.

One optical illusion going viral on Facebook right now invites users to find a perfectly camouflaged cat among bushes. To complete the challenge, you need to figure out where the cat is hiding in seven seconds or less. You can only solve the visual puzzle if your observation skills are top-notch.

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