The base , near the St. Gotthard Pass on the route between northern Europe and Italy , was a result of two world wars that prompted neutral Switzerland to construct bunkers , storerooms and barracks inside the granite mountains to serve as an ultimate refuge in case of an invasion .
Europe /location/location/contains Italy
Europe /location/location/contains Switzerland
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Europe
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Italy
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/location/location/contains
Europe
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Switzerland
LOCATION
/location/location/contains