A 76-year-old woman once dubbed China’s oldest mother of twins has returned to the spotlight after a photographic series chronicling her life recently won an international award. Sheng Hailin, from Anhui province in central China, has also become a social media influencer with nearly one million followers, offering solace and inspiration to bereaved parents rebuilding their lives after loss. Her only daughter, Tingting, and her newlywed husband died of carbon monoxide poisoning in 2009,...