ZURICH — Switzerland's Gotthard Base Tunnel, which will result in the longest rail tunnel in the world and required nearly 20 years of construction, opened on Wednesday, The Wall Street Journal reported.
The 35-mile tunnel should eventually help slash travel time between Zurich and Milan, and shuttle twice the roughly 9,000 people currently traveling between northern and southern Europe across the trans-Alpine route within the next decade, according to the report.
Credit Suisse Group AG estimates the new tunnel cost $12.3 billion to complete. While funding was raised through Swiss taxes and duties, its construction relied on workers from a mix of other countries including Italy and Germany, according to the Journal.
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