With an earsplitting burst of superheated steam, the contraption lifts Ross gently into the air and, for a few noisy seconds, he is flying.

• 随着加热的蒸汽发出震耳欲聋的爆鸣声，装置缓缓将罗斯推到空中，闹哄哄的几秒钟后，他就在自由飞行了。