Made ya look!  Firstly, the Great Wall is in China and secondly, David Hasseloff isn't scaling anything because that wall is like four feet high. We spotted the Hoff on vacation with his daughters Hayley and Taylor-Anne in London.  David treated the public to some "stunts" and took a picture with a fan in a Knight Rider t-shirt...I think it's quite possible that David still exists on that tv show in his head.