Introduction to Xianghaixuan: Xianghaixuan was built in 1914. The original plaque was written by Kang Youwei and was later lost. The two characters on the lintel were written in 1979 by the famous calligrapher Ms. Xiao Xian, a student of Kang Youwei and his daughter-in-law. Write. The new plaque in Xuan Nei was reset after finding Kang Youwei's original handwriting in Nanjing Museum in 1991.