C.G.P. Gray explains what continents might be 4 minutes Original URL: http://www.youtube.com/watch?annotation_id=annotation_693957&feature=iv&index=9&list=PLqs5ohhass_TF9mg-mqLie7Fqq1-FzOQc&src_vid=84aWtseb2-4&v=3uBcq1x7P34