"All new apartments in the city had to have a separate bathroom and kitchen, as well as a balcony. While that might not seem particularly revolutionary by today’s standards, at the beginning of the 20th century, most of Berlin’s working classes lived in dark, unhygienic and over-crowded tenement buildings."

UNESCO Celebrates Modernism: Berlin’s Social Housing Gets World Heritage Status - International - SPIEGEL ONLINE - News

This is really great - Berlin’s social housing projects of the Weimar Republic are now forever protected…. I missed visiting these when I was in Berlin last winter, but I’m hoping to head back during the Spring/Summer sometime soon to see the things I didn’t have time to visit (these houses are at the top of the list!!!)