Bark cloth and tool of the Hani ethnic groups in southwest China's Yunnan Province are seen at the exhibited barkcloth at an exhibition showing the origins of the clothes in south China's Hong Kong, Aug. 4, 2011. The exhibition "Origins of Clothes - Barkcloth" kicked off at the Chinese University of Hong Kong here on Thursday. (Xinhua/Chen Xiaowei)
A visitor looks at the exhibited bark cloth at an exhibition showing the origins of the clothes in south China's Hong Kong, Aug. 4, 2011. The exhibition "Origins of Clothes - Barkcloth" kicked off at the Chinese University of Hong Kong here on Thursday. (Xinhua/Chen Xiaowei)
A visitor poses with an exhibition board at an exhibition showing the origins of the clothes in south China's Hong Kong, Aug. 4, 2011. The exhibition "Origins of Clothes - Barkcloth" kicked off at the Chinese University of Hong Kong here on Thursday. (Xinhua/Chen Xiaowei)
A staff member simulates the ancient process of making bark cloth at an exhibition showing the origins of the clothes in south China's Hong Kong, Aug. 4, 2011. The exhibition "Origins of Clothes - Barkcloth" kicked off at the Chinese University of Hong Kong here on Thursday. (Xinhua/Chen Xiaowei)
