In April, Zhang Chenggong, the first man to fly in a winged suit in China, crossed the Tianmen Cave. Which of the following is true?

Zhang, the first man in China's winged flight, practiced 1200 times before successfully crossing the Tianmen Cave in April.

On April 30th, 2023, China winged aviator Zhang jumped from an altitude of about 2,200m and crossed the Tianmen Cave at a speed of about 180km/h ... After flying for several tens of seconds, the "flying man" landed firmly at the landing site. On 30th, in Tianmen Mountain, Zhangjiajie, Hunan Province, with everyone holding their breath, Zhang Chenggong completed the challenge of "flying over Tianmen Cave with wings" and became the first person in China to fly over Tianmen Cave with wings.

"I have been preparing for this challenge for twelve years." Zhang said that in order to meet this challenge, he adjusted the training structure accordingly, increased the training of high-speed long-distance flight and rapid descent flight technology, and combined with the aerial video data of Tianmen Cave, analyzed the flight feasibility under different wind directions and speeds. Before his success, he had practiced flying in Tianmen Mountain for more than 1200 times.

Zhang's career:

In 2009, he won the world paragliding champion. 20 13 became a member of American skydiving association. 20 13, 13 In June, Zhang began to learn winged flight after completing the skydiving course in the United States. It took two and a half months to set a world record for the fastest winged flight and become the best winged pilot in Asia. Known as "the first person in Asia to fly with wings." On March 6, 20 13, Zhang made his first winged flight in Arizona, USA.

20 18, 20 18, 20 18, the results of the 7th winged flying world championship were announced, and China's Zhang won the third place in the target-piercing competition. On April 30, 2023, Zhang accepted the challenge of "flying over Tianmen Cave with wings" in Tianmen Mountain, Zhangjiajie, Hunan Province. Zhang took a helicopter from the apron at the entrance of Tianmen Mountain Scenic Area in Zhangjiajie to the back of Tianmen Cave in Tianmen Mountain. At an altitude of more than 2000 meters, he jumped and successfully crossed the Tianmen Cave in Zhangjiajie.