A park in Changchun replaces life rings with pictures, sparking controversy
A life ring is a simple water rescue device, typically made of lightweight buoyant material in a ring-shaped structure. It provides sufficient buoyancy to keep a person afloat in water, preventing drowning. Buoyancy aids feature a simple design for easy identification, often coated with bright colors or reflective materials to ensure quick detection during emergencies. They are lightweight and portable, suitable for use in various aquatic environments. Whether at sea, on lakes, or in swimming po