File:PKU 20090731 Rencheng Gao 2.JPG
PKU_20090731_Rencheng_Gao_2.JPG (760 × 570 pixels, file size: 31 KB, MIME type: image/jpeg)
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|current||10:55, 16 August 2009||760 × 570 (31 KB)||Chengzhe Tian|
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