It looks like a video packed full of the very latest in Hollywood special effects trickery. Dressed simply in jeans and a handful of different T-shirts, a young man sets off from Brooklyn Bridge in New York and walks across the full breadth of America – all without raising a sweat. 'Guy Walks Across America' has become the latest internet sensation and has already been viewed more than 500,000 times on YouTube. And this remarkable viral advertising campaign by Levi's was produced using an extremely time-consuming and painstaking technique. Every single frame of his epic journey through the short , two-minute video was filmed using the old trick of stop-motion photography. Each of its 2770 frames was posed while the model kept still and then photographed. Time-lapse photography gave the effect of movement on either side. The video can be seen in today's Video of the Week section on Younilife.comCheck this out ...