Opened 40 years ago at the height of the Cold War, the Sonnenberg bunker in Lucerne was one of the largest public fallout shelters in the world and is still operational today. The Local takes a tour.
<p><span lang="EN-US">Starting in 2012, only residential buildings with more than 38 apartments will be required to have fallout shelters in their basements, the Swiss government said in a statement.</span></p>