Peng Liyuan (3rd R, front), wife of Chinese President Xi Jinping, Bun Rany (R), wife of Cambodian Prime Minister Hun Sen, Mehriban Aliyeva (5th R, front), wife of Azerbaijan's president Ilham Aliyev, Raisa Atambayeva, wife of Kyrgyz President Almazbek Atambayev (2nd R, front) and Dargia Nazarbayeva, daughter of Kazakhstan's President Nursultan Nazarbayev (4th R, front), watches the demonstration of bandhnu, a traditional Chinese dyeing handicraft featuring various folk patterns, 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]