An international student from Jiangsu University of Technology in Changzhou, Jiangsu province shows off a comb he designed featuring the Chinese characters "I love you, Mom". He attended an activity organized by the school on Sept 18 to explore the local comb culture. [Photo by Shi Kang/xhby.net]

Students from countries such as Yemen, Libya and Morocco design their own combs at the Changzhou Comb Museum. A Changzhou comb was known as the "royal comb" in ancient China and usually comes in two styles – regular style and one with double-edged fine teeth. [Photo by Shi Kang/xhby.net]

Combs designed by international students, who got the chance to learn about the history of comb-making. The process consists of 101 steps and has been designated as a national intangible cultural heritage. [Photo/CFP]