U.S. President Barack Obama delivers a speech in Prague, Czech Republic, 05 April 2009. In a speech Mr Obama again promoted his idea of a world free of nuclear weapons. The EU-USA Summit is held on 05 April. Photo: RALF HIRSCHBERGER

- Image ID: D4K6XB
U.S. President Barack Obama delivers a speech in Prague, Czech Republic, 05 April 2009. In a speech Mr Obama again promoted his idea of a world free of nuclear weapons. The EU-USA Summit is held on 05 April. Photo: RALF HIRSCHBERGER
dpa picture alliance archive / Alamy Stock Photo
Image ID: D4K6XB

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