German Chancellor Angela Merkel attends the commemoration of the 50th anniversary of the construction of the Berlin Wall in Berlin, Saturday, Aug. 13, 2011. Germany marks the 50th anniversary of the ... more 
German Chancellor Angela Merkel attends the commemoration of the 50th anniversary of the construction of the Berlin Wall in Berlin, Saturday, Aug. 13, 2011. Germany marks the 50th anniversary of the day communist East Germany sealed itself off behind the Wall. Germany had been divided into capitalist western and communist eastern sectors after the end of World War II. At the height of tensions between the United States and the Soviet Union, the East German regime started building the wall through the capital on Aug. 13, 1961. (Photo/Markus Schreiber) less 
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Associated Press
Sat, Aug 13, 2011 6:05 AM EDT