Optical illusion: Only a person with excellent eyesight can spot the hippo in this lively park

A brain teaser challenges readers to find a hidden hippo in a lively park scene within 12 seconds. The image is deceptively simple, with many people and activities, making it easy to overlook the well-hidden hippo. The challenge lies in focusing on small details and avoiding distractions to spot the unusual shape cleverly integrated into the scene.