Police in Munich, Germany, stand watch last week as activists protest against right-wing violence. A trial is set to begin next month for men charged in the killings of nine immigrants and a German policewoman. Johannes Simon/Getty Images hide caption

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Russian President Vladimir Putin (far left) looks on Monday in Hanover, Germany, as one of three women who stripped off their tops protests his appearance at a trade fair. German Chancellor Angela Merkel is in the green jacket. Jochen Luebke /EPA /LANDOV hide caption

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Bill Glucroft, an American Jew living in Berlin, chats with visitors from his box in the most controversial portion of the Berlin Jewish Museum's exhibition "The Whole Truth." Sean Gallup/Getty Images hide caption

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European bison, or wisents, keep a safe distance from human visitors to their enclosure on the property of Prince Richard of Sayn-Wittgenstein-Berleburg in Germany's densely populated state of North Rhine-Westphalia. Soraya Sarhaddi Nelson /NPR hide caption

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American actor David Hasselhoff speaks to protesters next to a remnant of the Berlin Wall last week. Thousands of people turned out to oppose a plan to knock down one of the few remaining sections of the wall. A small part was removed Wednesday. Odd Andersen/AFP/Getty Images hide caption

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Gun enthusiasts take part in a shooting competition at a club outside Zurich. The gun culture is deeply entrenched in Switzerland, where citizens as young as 10 learn to shoot. Soraya Sarhaddi Nelson /NPR hide caption

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A waiter carries beer mugs during the 2012 Oktoberfest in Munich. Johannes Simon/Getty Images hide caption

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Berlin's Prenzlauer Berg neighborhood, like many others across the city, is experiencing a real estate boom. Housing prices have risen by as much as 20 percent in the past year in some German cities. Adam Berry/Getty Images hide caption

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