The garden, which will sit atop what was once one of the Nazis' biggest fortresses, will...
More about 'hamburg'
A former Nazi bunker in Germany is being turned into a luxury hotel with a 5-storey roof garden
Rachel Hosie, Business Insider US
Google built a tiny Street View car to map out one of the world's largest model cities, and the results are incredible
This is one of the cutest things Google has ever done.
Dave Smith, Business Insider US