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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The result was a curious-looking, goblet-shaped family home with stunning views over Cape Town and something quite rare in South Africa: no alarms, electric fencing, or security beams.

结果房子外表稀奇古怪，如同一个高脚杯，在合恩角城令人好奇，在南非也相当地罕见：没有警报，没有电网，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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