After 17 years of construction “the world’s longest & deepest rail tunnel opens in #Switzerland” #GotthardTunnel
http://www.nytimes.com/2016/06/02/world/europe/gotthard-base-rail-tunnel-switzerland.html?ref=europe&_r=0 …
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After 17 years of construction “the world’s longest & deepest rail tunnel opens in #Switzerland” #GotthardTunnel
http://www.nytimes.com/2016/06/02/world/europe/gotthard-base-rail-tunnel-switzerland.html?ref=europe&_r=0 …