Chinese singer, film and TV star Chen Kun (R) and Ms. Gilian Mellsop, UNICEF Representative to China, launch UNICEF's new official website in China at the appointment ceremony in Beijing, capital of China, April 5, 2012.  Chen Kun was appointed UNICEF Ambassador for China on Thursday. In his new role, Chen will help UNICEF urge for the protection of children's rights. [Photo: Zhang Rui / China.org.cn]