19-year-old Chen Xiao once participated in the selection of "Dream of Red Mansions". 19-year-old Chen Xiao once participated in the selection of "Dream of Red Mansions". 19-year-old Chen Xiao once participated in the selection of "Dream of Red Mansions". 19-year-old Chen Xiao once participated in the selection of "Dream of Red Mansions". 19-year-old Chen Xiao once participated in the selection of "Dream of Red Mansions". 19-year-old Chen Xiao once participated in the selection of "Dream of Red Mansions". 19-year-old Chen Xiao once participated in the selection of "Dream of Red Mansions".