86-year-old grandma's physical exercise in daily life

Li Shuying is an 86 years old woman who suffers from kidney disease. She receives regular dialysis treatment three or four times a week in hospital. Going up and down stairs, playing checkers with families and playing billiards in the senior center in her community are her physical exercises in daily life. She says that doing exercise makes her live fully and optimistically even though life is so hard.