Experience an action-packed urban mountain bike adventure with extreme sports {Ziyuantun.Com}athlete Fabio Wibmer. Why does he keep pushing his limits and expose himself to high risks of injury? Find out what's going on in his mind 译文(2): 与极限运动运动员 Fabio Wibmer 一起体验动感十足的城市山地自行车冒{资源屯-ziyuantun.com}。为什么他总是挑战自己的极限，让自己暴露在受伤的高风险之下？看看他在想什么
