With a ceremony that went off like a classic Swiss timepiece, officials Friday inaugurated the world's longest overland tunnel, a 34.6-kilometer-long (21-mile-long) rail link under the Alps meant to ease highway traffic jams in the mountainous country.
The tunnel, which took eight years to build and cost 4.3 billion Swiss francs (US$3.5 billion; ¤2.6 billion)
