Broken antenna covers of Former National Security Agency (NSA) listening station are seen at the Teufelsberg hill (German for Devil's Mountain) in Berlin, June 30, 2013. The United States taps half a billion phone calls, emails and text messages in Germany in a typical month and has classed its biggest European ally as a target similar to China, according to secret U.S. documents quoted by a German newsmagazine. The revelations of alleged U.S. surveillance programmes based on documents taken by fugitive former National Security Agency contractor Edward Snowden have raised a political furore in the United States and abroad over the balance between privacy rights and national security. REUTERS/Pawel Kopczynski
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