Photo taken on July 29, 2015 shows visitors at Beijing Guozhong Ceramic Art Center in Beijing, capital of China, July 29, 2015. The "One Humanity Beyond Diversity"-International Ceramic Art Exchange Documentary Exhibition jointly held by International Academy of Ceramics (IAC) and Beijing Guozhong Ceramic Art Center kicked off on Wednesday, during which ceramic art works of Chinese and foreign artists and related documents are on display to improve exchanges between Chinese and international ceramic art. [Photo/Xinhua]