Andreas Erhard owns three watchtowers originally erected along the Iron Curtain by the East German army. He also invested extra money in cleaning them up. He sees the towers as living history, and has opened them up to the public.
An exhibition at the German Historical Museum in Berlin asks: How did Europe deal with post-war life? The unfathomable ramifications of World War II are made real through personal accounts.
Former SS officer Oskar Gröning, who is on trial in Lüneburg, Germany, has said he "could not have imagined" Jews coming out Auschwitz alive. The 93-year-old is accused of being an accessory to murder in 300,000 cases.
Russia's President Vladimir Putin was a KGB officer before he moved on to politics. Mixing the secret world of spying and public office is not a good idea, argues DW's Alexander Andreev.
European Commission President Jean-Claude Juncker has advocated a combined EU military force, suggesting two major benefits: to improve the bloc's standing on the world stage, and to send a message to Moscow.