Do you believe you have a great observation skill? If yes, then here’s a challenge for you! This is an optical illusion that has been created to make you observe concealed details in a second. Can you spot the heart in this picture of a swan in 3 seconds? If yes, then you are one of the top 1% people who have an acute eye for detail Do you believe you have a great observation skill? If yes, then here’s a challenge for you! This is an optical illusion that has been created to make you observe concealed details in a second. Can you spot the heart in this picture of a swan in 3 seconds? If yes, then you are one of the top 1% people who have an acute eye for detail Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle