Citizens watch sketches of Nanjing Massacre survivors on exhibit at Nanjing University of the Arts on September 26, 2013. In the exhibit, 50 sketches of living survivors drawn by Zhang Yubiao, a professor at the university line the walls, with a 20-line poem wrote by the curator of the Nanjing-based memorial hall Zhu Chengshan telling each one's story. [Photo/CNS]