Sun Hongxia (left) and her two brothers hold an old family photo of themselves at Tian’anmen Square in Beijing on October 3, 2013. The framed photo was taken 40 years ago at a studio in their hometown Jiaozuo, a city about 1,100 km from Beijing. It was not until Sun retired that three of them had the opportunity to gather in front of Tian’anmen Rostrum for this picture. 李萍 / Li Ping