Experience an action-packed urban mountain bike adventure with extreme sports 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险。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...