Irate passengers swear at the endless queues and inconvenience, while conspiracy theorists mutter darkly that security firms are in cahoots with the duty-free shops on the other side of the barrier.

• 排队等候的旅客们怒气冲冲地咒骂着那看不到尽头的队伍，抱怨不便的声音此起彼伏。甚至有阴谋论者暗自嘟囔，安检公司和关卡那头的免税店是一伙的。