Will it be topless or will the legs and feet be straight and weak? A large wave chart tests whether you have a fear of heights

Signal towers, lightning rods, skyscrapers... Internet celebrities abroad who are obsessed with climbing dangerous high-altitude buildings often publish dangerous high-altitude challenge videos, gaining a large number of fans on social platforms and causing a lot of controversy.

For ordinary people, their behavior is incomprehensibly crazy, but they themselves enjoy it and make it their own way of making a living, behind the high return is the same extremely high risk, and there are cases of extreme sports enthusiasts at home and abroad who are unfortunately injured or even killed.

Yong Ning, the first person to attract attention in China in recent years, is an unfortunate player. At that time, Yong Ning, who claimed to be the "first person" of the domestic unprotected high-altitude challenge, was suddenly interrupted in the update of major video websites, and then the comment area was successively rumored that he had an accident. It was not until December 8 of the same year that his girlfriend confirmed the news of Yong Ning's death through her personal Weibo. Yong Ning, 26, died on the afternoon of November 8, but was not discovered until the next morning, causing his death by falling from the top of a tall building, which also sounded the alarm for countless enthusiasts: to pursue the limit while still doing what you can.