Young children walk past a preserved segment of the Berlin wall near the memorial at Bernauer Strasse in Berlin on November 9, 2009, during a commemorative event to mark the 20th anniversary of the fall of the wall. Getty Images logo Getty Images 1 week ago

Young children walk past a preserved segment of the Berlin wall near the memorial at Bernauer Strasse in Berlin on November 9, 2009, during a commemorative event to mark the 20th anniversary of the fall of the wall.