zeigler manages the ski slopes and several times a day he checks for potential danger. while icy surfaces and stones can be taken care of, human error will always remain. some people always overestimate their ability and go too fast. out of shape or not warmed up, chances are you will suffer an injury. while others relax on the lift, he worked there. he says he looks around the terrain, especially for possible avalanche threats, for any changes and he checks the ski slope. up here, there is a different view. danger is right along the market ski line. rocks and boulders can cause grievous injury. macher's accident was a reminder of that but many people still ski outside of the market area. here in the fun park with its ramps and jumps -- testing your limits has become part of the winter sports experience. i want to better know my own personal ability, so i take a speed test. the run is short and not too steep, and yet i reach 89 kilometers per hour. ski instructor jurgen has a new pupil. he says the legs have to do the work, don't stand as straight as a ramrod. your legs