Graduate students from the spermlab and Prof. Jun-Quan Zhu's lab gathered together on Oct. 31, 2009.  From left to right: Dr. Wan-Xi Yang, Mr. Jian-Hu Jiang, Mr. Jia-Qiang Yan, Ms. Ran Dang, Mr. Wei Wang, Ms. Ming-Ming Lu, Ms. Na Xu, Ms. Hai-Yan Li, Ms. Xiao-Xin Ma, Ms. Huan Mao, Mr. Da-Hui Wang, Ms. Xiao Sun, and Prof. Jun-Quan Zhu.