The company has also overseen the construction of the Hoover Dam in the US, the Channel Tunnel linking Britain and France and the Athens Metro.

该公司还监管了美国胡佛大坝的建设，联系英法的英吉利海峡隧道以及雅典的地铁。

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Athens also got a new airport and a new metro, finished on the eve of the Olympics, which now carries more than 600,000 passengers a day.

雅典的新机场和新地铁系统于奥运前夕完工，现在它们每天运输超过六十万名旅客。

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During the Athens metro strike, Democratic Left, the smallest partner in the three-party ruling coalition, described the civil mobilisation order as "an extreme choice".

BBC: Greece orders seamen back to work on 6th day of strike

The HS2 line probably won't be comparable with the painstaking efforts made during the construction of the Athens Metro, but if HS1 is anything to go by, the archaeological considerations could still be huge.

BBC: HS2: 20 reasons why it can take 20 years to build a railway

When Athens was preparing to host the 2004 Summer Olympics, construction of the underground metro encountered so many archaeological significant sites that delays lasted for years.

BBC: Living in: Great cities for history and ancient ruins