By Linda Tancs
Switzerland’s Gotthard Base Tunnel (not to be confused with the original Gotthard scenic line) entered into full service yesterday. Decades in the making, the rail tunnel is the world’s longest, stretching for 35 miles. It’s also the deepest, with over 6,500 feet of rock between the tunnel and the earth’s surface in some places. This engineering marvel provides an efficient shortcut through the Alps, paring an hour off the travel time between Zurich and Milan, Italy.
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