The broadcast tower at Alexanderplatz looms over the city center. A crossing point of tourists, commuters, shoppers, lovers, artists and bums, Alexanderplatz was rebuilt by the communist authorities of former East Germany in the 1960s. Today, it's a popular gathering place in the reunified city. Sean Gallup/Getty Images hide caption

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Germany is the world's third-largest exporter of arms, like this bazooka destined for northern Iraq, being packed up at a German military base on Thursday. The country's economy minister has held up hundreds of weapons exports since he took office in December, angering many in the defense industry. Carsten Koall/Getty Images hide caption

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People with Israeli flags and banners attend a rally against anti-Semitism near the Brandenburg Gate in Berlin on Sunday. Markus Schreiber/AP hide caption

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A man walks past burnt vehicles near a railway station after recent shelling in Donetsk, eastern Ukraine, Aug. 29. Maxim Shemetov/Reuters/Landov hide caption

itoggle caption Maxim Shemetov/Reuters/Landov