Who is Beihang's ambition?

Liu Chengzhi. Dazhi is a handsome young man who is engaged in photography in Beijing. Participated in the filming of CCTV's Great Wall. During the filming, he learned more and more about the Great Wall. Dazhi's real name is Liu Chengzhi. Liu Chengzhi has always loved the Great Wall culture for many years, and is also an environmental hiker of the Great Wall. He walked more than 3,700 kilometers of the Great Wall from May 18 to September 22, 2026.