What makes certain people choose to put their lives and health at risk? Kevin is 22 years old and does "buildering", where he climbs on the outside of buildings and on tall cranes. This form of extreme sport is in most cases illegal and has seen enormous growth in social media in recent years. Pål is a few years older, the father of a small child and will soon debut in the ring and have his first MMA fight. Many would argue that MMA is the most extreme form of martial arts and that the athletes gamble with their health in the ring.