Visitors watch the displayed tripods on Chinese Ding Culture Exhibition in Zhengzhou, capital of central China's Henan Province, Sept. 28, 2013. The exhibition opened here Friday. (Xinhua/Zhu Xiang)
Photo taken on Sept. 28, 2013 shows a displayed tripod on Chinese Ding Culture Exhibition in Zhengzhou, capital of central China's Henan Province. The exhibition opened here Friday. (Xinhua/Zhu Xiang)
Visitors watch the displayed tripods on Chinese Ding Culture Exhibition in Zhengzhou, capital of central China's Henan Province, Sept. 28, 2013. The exhibition opened here Friday. (Xinhua/Zhu Xiang)
Visitors watch a displayed tripod on Chinese Ding Culture Exhibition in Zhengzhou, capital of central China's Henan Province, Sept. 28, 2013. The exhibition opened here Friday. (Xinhua/Zhu Xiang)
Visitors watch a displayed tripod on Chinese Ding Culture Exhibition in Zhengzhou, capital of central China's Henan Province, Sept. 28, 2013. The exhibition opened here Friday. (Xinhua/Zhu Xiang)
Visitors watch the displayed tripods on Chinese Ding Culture Exhibition in Zhengzhou, capital of central China's Henan Province, Sept. 28, 2013. The exhibition opened here Friday. (Xinhua/Zhu Xiang)
