Three things are certain about base jumping. You will break your bones. You will watch your friends die. And – if you do it long enough – it will eventually kill you. In this heady, testosterone-packed environment, adrenaline junkie Karina Hollekim is regarded as one of the best of the best. We follow Karina for several years as she hurls herself off increasingly treacherous cliffs in search of the ultimate high. But when tragedy strikes, will the rush have proved worth the price?
对极限运动带来的肾上腺素的追求，没有终点。难的，是对身体和心理的苛刻控制，这是一种起点奇高的自由。
某种意义上，这也是逃避生活&自私
极限运动的乐与悲
极限运动，一种控制恐惧追求刺激的体验。 出错了怎么办，“人生远不只滑雪和定点跳伞”。
哔哩哔哩《空中20秒》