Costumes of late Qing Dynasty (1644-1911) are on display during an exhibition of Shanghai-style dress and fashion at Shanghai Textile and Costume Museum in Shanghai, east China, April 22, 2014. (Xinhua/Liu Xiaojing)

A visitor takes photos of cheongsams on display during an exhibition of Shanghai-style dress and fashion at Shanghai Textile and Costume Museum in Shanghai, east China, April 22, 2014. (Xinhua/Liu Xiaojing)

A visitor takes photo of advertisements and illustrations on display during an exhibition of Shanghai-style dress and fashion at Shanghai Textile and Costume Museum in Shanghai, east China, April 22, 2014. (Xinhua/Liu Xiaojing)

A visitor takes photos of cheongsams on display during an exhibition of Shanghai-style dress and fashion at Shanghai Textile and Costume Museum in Shanghai, east China, April 22, 2014. (Xinhua/Liu Xiaojing)