Happy Camp Wu Xinxin Zhang Han Happy Camp Wu Xin's birthday Happy Camp Wu Xin's background http://blog.sina.com.cn/s/blog_61646ced0100eyd6.html Other answers: Which episode are you talking about? How come I haven't seen it... Zhang Han, Zhu Zixiao, Zheng Shuang collectively appeared on Hunan TV's top variety show Happy Camp and brought... Zhang Han and Wu Xin had chemistry because of the program.