Archive images of rent increase in Berlin While rents in the German capital have more than doubled in the past 15 years, the coalition of centre-left SPD, the Greens and far-left Linke party at the head of the city is presenting a project to freeze rents in the booming German capital over the next five years. Images of housing on the famous Karl-Marx-Allee and demonstrators in the streets of Berlin gathered against "rent insanity". IMAGES