There are two large pieces of white "cloth"
It bears the logo of the Beijing Winter Olympics
A lot of people thought it was a billboard
In fact, this is a high-tech windproof net
By Shijiazhuang Railway University
Liu Qingkuan, director of the Wind Engineering Research Center, led the team in research and development
This technology not only breaks the monopoly of foreign countries
Experts such as the International Snow Federation were also obtained
Unanimously recognized and highly rated
Official competition stage
A number of athletes also gave high praise to the windproof net
Reporter Xu Meng Li Wei
Producer Zhang Wei