Security forces were meanwhile on high alert in the centre of Guangzhou, blocking off roads and patrolling the waters off Haixinsha island, the venue of the closing ceremony.

闭幕式举行同时，广州市中心的安全部队保持着高度的警戒，通往闭幕式现场海星沙岛的道路封闭，周边水域也有警力巡逻。

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It requires various factors to host a successful Olympic Games, such as venue construction and operation, city operation, environment improvement, media service, volunteer service and security.

举办一届成功的奥运会，涉及多方面因素，如场馆建设和运行、城市运行保障、环境整治、新闻宣传、志愿者服务、安全保障等。

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If you don't have a printer to print the coupon you can also write down the coupon number and the security number on a piece of paper or your phone and show this to the venue.

如果您没有打印机来打印优惠券，您还可以凭写在纸上或者手机里的优惠券编号和安全码到该商家兑现。

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In addition to the 5, 000 personnel allocated to that role, some 3, 500 would provide venue security.

BBC: London 2012: 13,500 troops to provide Olympic security

"The problem for G4S has been in allocating personnel through their scheduling programme to particular venue security tasks, " she explained.

BBC: May: Exact size of Olympics staffing shortfall is unclear

The guards employed by G4S will be responsible chiefly for such tasks as providing venue perimeter security, a spokesman for the contractor said.

CNN: London's Olympic security headache