Air-raid shelter am Weinberg

For our Geo Quiz today, we’re looking for the city that’s home to an unusual German landmark. It’s a former Nazi air raid shelter that was later used as a prison, a fruit cellar, and a venue for techno raves. Now it’s coming back as a contemporary art gallery in Berlin, the answer to our quiz. Lisa Mullins gets details from Der Spiegel reporter R. Jay Magill.