IN VIDEO: The great outdoor boom

<p>China's outdoor adventure boom is shaping how people spend their free time, from weekend cycling groups and hiking trails to marathon runners chasing personal bests. That surge in demand is fueling a massive commercial opportunity across high-tech gear, tourism and sporting events. The industry now faces the challenge of sustaining growth while preserving the people, places and natural environments that make these activities possible. On the show: Steve, Yushan & Yushun </p>