As early as the end of the 19th century, the Norwegians had invented a sport of flying on the snow. Although it was originally a game to help snow lovers to glide a few meters in the air with the help of a ramp, with the development of the sport, today it has become a game. A competitive event that can fly in the air with a flight distance of more than 250 meters without any mechanical power is ski jumping.

李永乐

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