This kind of facility is to be able to let the person realize the "jumps off" the feeling. General and speed skating set together, a height of 18 meters (6 floors). Visitors need to hold their hands in the head, the legs crossed posture. It only takes two or three seconds to get to the top end. Then enter the buffer path.
(Hint: mm need to pay attention to!) Be sure to fasten the coat, or it will be washed away by too fast.