World’s longest tunnel will speed Alpine trains
Switzerland is getting ready for a fancy-dress opening of its newest engineering marvel. The Gotthard Base Tunnel, drilled through 35 miles of solid rock, is
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Switzerland is getting ready for a fancy-dress opening of its newest engineering marvel. The Gotthard Base Tunnel, drilled through 35 miles of solid rock, is
Switzerland is getting ready for a fancy-dress opening of its newest engineering marvel. The Gotthard Base Tunnel, drilled through 35