To curb pollution during the games, the authorities have closed all construction sites in Beijing as well as dozens of factories and quarries in and around the city for two months.

为了遏制奥运期间的污染，官方关闭了北京的所有建筑工地、市内及周围的许多工厂和采石场，为期2个月。

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Bejing is known as a famous historical and cultural city in the world. as a city with a history of 3000 years, Beijing has numerous sites of interest and a brilliant rich culture.

众所周知，北京是世界文化名城，有3000多年的历史，有着众多的名胜古迹和丰富的文化底蕴。

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Four sites where Beijing Man and his relations lived were discovered on the northern face of Dragon Born Hill (Longgushan).

人们在龙骨山的北坡发现了北京人及其近亲居住过的四处遗址。

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Already, construction sites and factories in Beijing are preparing to stop work ahead of the Olympics.

NPR: Beijing Races to Clear Its Skies Before the Olympics

The Beijing Environmental Protection Ministry said Sunday that factories and construction sites had agreed to reduce or stop work entirely until the air cleared up.

FORBES: As Coal Imports Rise, Getting Harder To Breathe In China Cities

Rome, Miami, Beijing and Rio de Janeiro are also among the eight cities so far named as sites for races in 2014.

BBC: London to host Formula E electric car race in 2014