Optical illusion: You have eyes of a hawk if you spot the hidden face in 11 seconds!

A classic optical illusion challenges viewers to find a hidden face amidst characters with umbrellas, testing observation skills. Experts say such puzzles boost brain function, enhancing problem-solving and focus. While many spot the umbrellas, locating the concealed face requires keen attention. The solution is provided, encouraging further practice with similar brain teasers for improved cognitive abilities.