Rescuers near the entrance to the Riesending cave at Untersberg mountain near Marktschellenberg, Germany, on Thursday. A seriously injured cave researcher was hauled out after spending two weeks underground. Nicolas Arner/DPA/Landov hide caption

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German Chancellor Angela Merkel at a session of the Bundestag Lower House of Parliament in Berlin Wednesday. Germany's top federal prosecutor told legislators today that he is opening a formal inquiry into allegations that the NSA tapped her phone. John MacDougall/AFP/Getty Images hide caption

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A Russian armored vehicle on the road between Simferopol and Sevastopol in Crimea earlier this month. Russia annexed the region two weeks ago. Other Russian forces, across the border from Ukraine, may pull back in coming days. Viktor Drachev/AFP/Getty Images hide caption

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Germany's new defense minister, Ursula von der Leyen, right, chats with German soldiers who have served in Afghanistan, at a training center in Letzlingen on Jan. 28. Von der Leyen has said she would like to see German forces participate more with other European troops in foreign peacekeeping missions. Thomas Trutschel/Photothek via Getty Images hide caption

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German farmer Rudolf Buehler and other opponents of the Transatlantic Free Trade Agreement protest with 17 pigs in front of the chancellor's office building in Berlin on Wednesday. Soraya Sarhaddi Nelson/NPR hide caption

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President Obama walks with German Chancellor Angela Merkel in St. Petersburg, Russia, on Sept. 6, 2013. Relations between the two allies are strained after documents leaked by Edward Snowden, a former National Security Agency contractor, suggested the agency had spied on Merkel and other world leaders. Ivan Sekretarev/AP hide caption

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Keith Vaz, a British member of Parliament and chairman of the home affairs select committee (left), greets arrivals at Luton Airport, including Victor Spirescu (right) on Wednesday. The first Romanians and Bulgarians with unrestricted access to the U.K. labor market have begun to arrive despite last-ditch efforts to prevent a feared wave of fresh immigration. Jennifer Cockerell/PA Photos/Landov hide caption

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Laura and Thanos Ntoumanis recently moved from Greece to Germany, where Thanos, a psychiatrist, got a job. Joanna Kakissis/NPR hide caption

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