In downtown Vancouver, some roads are already closed, and rings of security fencing surround some key venues.

在温哥华市中心，一些道路已经关闭，一些主要场所周围设置了安全围栏。

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Safety and security fencing should be part of your design.

安全和安保围栏应该是你设计的一部分。

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Inspired by the birds, one man built a thief-proof house without alarms, electric fencing, or security beams in crime-ridden South Africa, host of the 2010 World Cup.

在犯罪猖獗的世界杯东道主南非，由于受到鸟类的启发，一个男子建造了一间可预防偷窃的房子，但是没有警报设施，没有电网，也没有安全梁。

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"Many of us are concerned that the border fencing and security triggers in this bill leave too much discretion to the secretary, " Lee said.

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The aim is to surround the panels with native and locally-sourced hedges and fencing - for security purposes and aesthetics.

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The BBC's Stephen Chittenden, at Stansted, said protesters had brought concrete blocks and 6ft-high security fencing with them and erected a "stockade" about 50m (164 ft) from the runway.

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