22-11-25 High up in the Swiss Alps, 31 daredevils have been competing at the first ever highline world championships. 在瑞士阿尔卑斯山脉的高处，31名勇士参加了首届世界高空走扁带锦标赛。 The first event was a race along a 60m slackline rope which was won by Fr...