FILE - In this March 19, 2013 file photo, Zhang Zefang, 94, who sued her own children for not taking care of her, cries as she describes the miseries she has endured throughout her life, at Fusheng Village, east of Chongqing City, China. The world’s fast-greying population has left many adults struggling to look after their parents, their children and themselves - a problem particularly acute in China, where the long-held tradition of caring for one’s elderly parents has eroded. (AP Photo/Eugene Hoshiko, File)