Work hard. Three Sisters in Yunnan is a propaganda documentary from Bing Wang. He met these three children by chance. Because of hunger, Bing Wang went to three girls' homes for dinner, and his boss Ying Ying cooked potatoes for him, which moved Bing Wang very much. Xiaoying is now an adult and has come to Yunnan to go to college. She works as a new media operator in a better company, and her current salary is 8,000 yuan. Xiaoying comes from rural Yunnan. She is 1.6 meters tall, well-proportioned and beautiful, but she doesn't like to dress herself up. Xiaoying's family is poor. She is the eldest in the family and has three younger brothers and sisters.