ROUGH CUT (NO REPORTER NARRATION)<br/> <br />STORY: German Chancellor Angela Merkel visited on Sunday (November 9) the Berlin Wall Memorial, on the day marking 25 years since the fall of concrete barrier.<br/> <br />The Chancellor was accompanied by several dignitaries, including Berlin Mayor Klaus Wowereit, and was later due to hold a speech at the commemorative site at Bernauer Strasse, where one of the few remaining sections of the wall still remains.<br/> <br />Speaking on the eve of Sunday's celebrations, Merkel said Germany would always be grateful for the courage of East Germans who took to the streets to protest the Communist dictatorship.<br/> <br />The Berlin Wall was built in 1961 to stop East Germans fleeing to the West. It began as a brick wall and was then fortified as heavily guarded 160 km (100 mile) double white concrete screen that encircled West Berlin, cutting across streets, between families, and through graveyards.<br/> <br />At least 136 people were killed trying to flee to West Berlin a
