Whitewater Expedition Video | Lost in Sumatra by sethashworth | Feb 5, 2020 | 2014 Karma Unlimited, Creeking, JAdventures Main Banner, River Running, Whitewater Feature | 0 comments [Video] Lost in Sumatra. A typical whitewater expedition. Ft Seth Ashworth and David Silk Follow Seth Ashworth and David Silk through the highs and (so many) lows of exploring new rivers on the island of Sumatra, Indonesia. They keep it light hearted and make that new Zen 3.0 look FINE. Check out the video [bigcommerce_product id=”1076″ order=”ASC” orderby=”date”] Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.