Chinese grandmother, 71, learns to swim after retirement and saves man

A 71-year-old Chinese woman, Liu Defang, saved a man's life after he fell into a river. She had learned to swim only a few years after her retirement from work. Liu bravely entered the water with a lifebuoy to reach the struggling individual. Surveillance footage later revealed her identity, drawing praise from social media users. Her courageous act highlights the value of learning new skills at any age.