A Canada-based website that compares old photographs with new has become the latest global sensation.<br /><br />The twist is, the new photos are taken in exactly the same location as the original.<br /><br />Dear Photograph's founder says he was taken by surprise at how his simple idea has resonated with thousands who have shared their humorous, nostalgic and emotional memories with the world.<br /><br />Al Jazeeera's Kimberly Halkett reports.
