Growth and Friends
(Click on the photoes for high resolution version)

Too young to remember

Heping Qu No.2 Kindergarten (1978)

Kunming Lu Elementary School (1984)

Tianjin No. 1 Middle School (1987)

Tianjin No. 1 Middle School (1990)

Department of Mathemetics, Peking University (1995)

Department of Computer Science, Peking University (1995)

Department of Computer Science, Peking University (1998)

Department of Computer Science, Peking University (1998)