He also notes that the New Zealand team, showing great foresight, arranged a meeting of all the teams in an effort to stagger team departures and avoid a bottleneck at the Hillary Step, because a bottleneck could cause some summits to be delayed until after 2 p.m., after which the risk of unsuccessful descents rises rapidly.
因為一旦下午 2 點後登頂，因下撤不及、體力透支，發生山難的風險將大增。