Peng Liyuan (C, 2nd Row), wife of Chinese President Xi Jinping, Bun Rany (3rd L, 2nd Row), wife of Cambodian Prime Minister Hun Sen, Mehriban Aliyeva (4th L, 2nd Row), wife of Azerbaijan's president Ilham Aliyev, Raisa Atambayeva, wife of Kyrgyz President Almazbek Atambayev (5th R, 2nd Row) and Dargia Nazarbayeva, daughter of Kazakhstan's President Nursultan Nazarbayev (4th R, 2nd Row), poses for a group photo with performers after watching entertainment performances in Shanghai, May 21, 2014. The fourth summit of the Conference on Interaction and Confidence Building Measures in Asia (CICA) opened in Shanghai on Wednesday. [Xinhua]