Professor Liu used to work at Beijing Jiaotong University teaching electrical safety. He has written and compiled 14 books on his field. After retirement, he is keener on charity and the spread of intangible Chinese cultural heritages.

Liu: "My recent aim is to get General Guan Yu recognized by the United Nations. Gen. Guan enjoys worldwide popularity, especially among Asians. The loyalty he showed is a model for all generations to come." [Photo by Chen Boyuan / China.org.cn]