1. Steel snowmobiles, also known as "ice divers", will be held at the National Snowmobile Sled Center in Yanqing Division. The skill of the snowmobile with steel frame is to control the state of the sleigh when it turns by slightly moving the head and body left and right, and the overall shift of the center of gravity will also occur when it turns big.

2. nordic combined is considered as one of the most difficult snow events. Platform skiing requires athletes to have a lighter body, while cross-country skiing tests athletes' explosive power, aerobic ability and super endurance. These two events are difficult to match, and many athletes can't take care of them. Especially in platform skiing, compared with foreign athletes, China athletes need to develop their platform jumping ability quickly, which is also a great challenge.

3. Because athletes are often injured in competitions, after years of observation, the International Skating Federation believes that the high-risk parts of short-track speed skaters include neck, abdomen, armpits, buttocks, lower arms, hands and knees. Therefore, from July 1 2003, the International Skating Federation requires all athletes to wear cut-proof clothes to protect their own safety.

4. Big Platform In the park of Shougang Olympic Park where we are located, he also has a nickname called high heels, which is also related to his unique appearance. There are 13 freestyle skiing events in Beijing 2022 Winter Olympics, which are divided into six categories. Only one event was held in downtown Beijing, and other events were held in Genting Ski Park in Zhangjiakou. This category is the big platform.

5. Changing water cube into ice cubes is a contest of science and technology. The whole water-ice conversion process is roughly divided into five steps: emptying the pool, building steel frames and supporting structures, laying insulation and waterproof layers, installing a detachable ice-making system, and finally making ice.

6. In the program creation of the opening and closing ceremonies of the Beijing 2022 Winter Olympics and Paralympic Games, there is an important link that will show the national image of "people-centered", and the name of this link is "Salute to the people".