Many tunnels crisscross the Swiss Alps, and Gotthard Pass already has two — the first, also for trains, was built in 1882. But the Gotthard Base Tunnel is a record-setter: It eclipses Japan's 53.8-kilometer Seikan Tunnel as the world's longest and bores deeper than any other tunnel, running about 2.3 kilometers (1.4 miles) underground at its maximum depth.
https://www.yahoo.com/news/swiss-ina...074200550.html
Perhaps we should start on repairing our infrastructure let alone begin building our future...
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