The Shougang Big Air is one of Beijing's most iconic Winter Olympics venues. And when the snow melts, its steel structure and steep slopes are turned into a testing ground for urban extreme sports. Cyclists, skateboarders, and rappellers come here to challenge not just gravity, but their own limits. This time, CGTN's Ioana steps up to the edge, only to realize that sometimes, the bravest choice is knowing when to stop.