宴会现场还有一批贴身男侍从，以及八名指挥现场交通的警察。 豪华轿车于当晚八点左右开始陆续抵达。
An army of valets were on hand, as were eight police officers to direct the stream of limousines that began arriving around 8 p.m.
一旦发生交通拥堵或事故，指挥中心的工作人员可通过监控大屏及时了解现场情况，通过监控系统调取相关信息，快速开展救援行动或及时采取相应措施。
What's more, when traffic jam or accident happens, personnel from security command centers can monitor live events and carry out rescue or take corresponding actions immediately.
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