The Sperm Laboratory members stayed together to celebrate graduation of three undergraduate students and one graduate student. The three undergraduate students are: Ms. Ya-Nan Jiang, Ms. Le Wang, and Ms. Jing Yu. The graduate student is Mr. Hong-Shan Dong. Rear row (from left to right): Jing Yu, Le Wang, Ya-Nan Jiang, Hong-Shan Dong, Ke-Ming Yu, Ying He, Prof. Ye-Qin Jiang, Da-Hui Wang, and Dr. Wan-Xi Yang; front row (from left to right): Yun-Hang Yao, Qi Wang, Zhe Li, Yu-Yang Jiang, and Li-Ya Wang. Another two students, Mr. He-Ming Yu and Ms. Tian-Ting Zhang, did not show up. Mr. Yu was doing experiment and Ms. Zhang was delayed by private things when the whole members stayed together on June 24, 2008.