在巨大的钻孔机清理出一条小道后，横贯瑞士阿尔卑斯山下方世界上最长的隧道终于成形。这条隧道将建设成为穿过欧洲心脏地带的高速铁路通道的关键路段。

The world's longest tunnel will take shape deep beneath the Swiss Alps on Friday when a giant drilling machine clears a path for a key high speed railway through the heart of Europe.

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穿越哥达山的铁路隧道是阿尔卑斯山铁路新干线的主体工程

The railway tunnel through the Gotthard mountain constitutes the centrepiece of the New Railway Link through the Alps

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但是这座投入了98亿瑞士法郎(70亿欧元)的隧道也激起了越来越高的担忧呼声，相邻国家繁荣的公路交通可能对阿尔卑斯山带来一定的污染。

But the 9.8 billion Swiss franc (7.0 billion euro) tunnel is also the fruit of a popular wave of concern about pollution in the Alps with booming road traffic transiting from neighboring countries.

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