Size of this preview: 640 × 188 pixels. Full resolution (download) (800 × 235 pixels, file size: 26 KB, MIME type: image/png) About File History There is no description yet. Add a description. Appears on these pages of BBC Knowledge HD File history Click on a date/time to view the file as it appeared at that time. Date/TimeThumbnailDimensionsUserComment current13:04, November 13, 2011800 × 235 (26 KB)Afxalk (Talk | contribs) Retrieved from "http://logos.wikia.com/wiki/File:BBC_Knowledge_HD.png?oldid=113608"