'Artsy grandpa' lights up business with strings

80-year-old Wu Siying plays the guitar and sings in front of his pancake stall in Pingyao, north China's Shanxi province on Sept. 23, 2014. A keen music lover, Wu started to learn to play guitar by himself two years ago. The songs he plays and sings during intervals of his work - making and selling pancakes - are very popular among local residents and his customers. (Photo/Chinanews.com)