7-year-old Xiao Yuan looks out at her village from her neighbour's balcony in Yanxi village, Yunnan province. Her mother gave birth to her when she was 17. Yuan hasn't started school despite six being the national enrollment age
Cartoon stickers that were put up by Xiao Jie on the wall of her home. One of the Chinese characters beside the stickers is wrongly written
Now finding a suitable wife is tough going, and experts say teenage boys are keen to secure their bride quickly, for fear of losing her to the competition.
Liu Neng, sociology professor from Peking University getting married at this age is a cultural norm for youngsters in rural areas who have not much else to do once they reach puberty.
Now married, 13-year-old Jie is bored.
She stays at home to help with the farm, does the cooking and embroidery. Her social life is limited - her husband gets jealous of her friends - and she doesn't think about the future, according to photographer Muyi, who says it'll be a long time before she's old enough to work in the city.