摘要
如何保障大型赛事的安全对主办方来说无疑是一个巨大的挑战，而赛场分布广泛只是其中因素之一。体育馆和运动场分布在主办城市的各个地方，届时会有成千上万的运动员、观众和官员云集在此。
Effective security at major events can be a huge challenge for organisers, not least because of the extensive geographical area that many events now cover. Modern stadiums and athletics grounds are often spread around the host city, and can hold hundreds of thousands of spectators, athletes and officials.
