File:Hei-Yi Cheng.jpg File File history File usageNo higher resolution available. Hei-Yi_Cheng.jpg (300 × 450 pixels, file size: 16 KB, MIME type: image/jpeg) File history Click on a date/time to view the file as it appeared at that time. Date/TimeThumbnailDimensionsUserComment current20:52, 30 March 2008300 × 450 (16 KB)Ki (Talk | contribs) You cannot overwrite this file. Edit this file using an external application (See the setup instructions for more information) File usage The following page links to this file: Yumiko Cheng File Discussion View View source History