A granny is often seen playing the piano in a subway tunnel.
Xu Guifang is a 64-year-old cleaner.
She immerses herself in music after work as a way to relax.
Considering music as a lifelong pursuit, she has taught herself to play the flute, pedal organ, piano and guitar.
Xu plays by memory, attracting many passengers who take photos of her.
“I’m glad to bring delight to passers-by,“ she says.