And in London, the Houses of Parliament, as well as the London Eye, Canary Wharf, the Gherkin and the BT Tower, switched their lights off.

在伦敦，中心的议会大楼，加纳利码头，电信大楼，也把他们的灯熄灭了。

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The sun sets behind the Houses of Parliament viewed from the south bank of the river Thames on December 5, 2010 in London, England. (Photo by Oli Scarff/Getty Images)

2010年12月5号英国伦敦，从泰晤士河南岸观看议会大厦背后的日落。

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A black-headed gull flies in front of the Houses of Parliament in London, England.

一只黑头鸥在英国伦敦议会两院前方飞行着。

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The Houses of Parliament, London Eye and of course, Buckingham Palace.

议会大厦、伦敦眼，当然还有白金汉宫。

伦敦旅游景点 - SpeakingMax英语口语达人

While security at such sites as Buckingham Palace, the Houses of Parliament and London's Canary Wharf has been stepped up, efforts to counter terror attacks are by no means as visible in the UK as they presently are in United States.

BBC: Met chief learns NY terror lessons

London's mayor and the 25-seat GLA will first take office in Marsham Street, close to the Houses of Parliament in central London before eventually moving to a new building near Tower Bridge.

BBC: Voters go to the polls

The Palace of Westminster, also known as the Houses of Parliament, is a complex of buildings in London.

UNESCO: Culture