Photo taken on July 16, 2015 shows a group pf colored pottery figurines during a historic and cultural exhibiton of Qi(1046BC-221BC), an ancient Chinese state during the Zhou Dynasty of ancient China, in Xi'an, capital of northwest China's Shaanxi Province. The exhibition, displaying a total of 194 cultural relics, opened here Thursday and will last until Oct. 16 this year. (Xinhua/Li Yibo)