I was chatting with a guy at a hotel bar one night talking about FKK vacations and about how popular they were in the GDR. He gave me the idea. I'd love to thank him, but I can't remember his name. ... When I was a kid, I would always go to Usedom -- to Heringsdorf -- with my parents. But my parents weren't FKK fans, so I really wasn't one either. SPIEGEL ONLINE: So, how expensive is the flight? Hess: It costs ?499 ($735), and I agree that that's a lot for a one-day trip. ...