U.S. soldiers with automatic weapons stand behind sandbag barricade within few yards of East German soldiers assembled in front of workers adding to the wall at the Friedrich Strasse border crossing point in Berlin on Dec. 4, 1961. Communist authorities sent workers to several points along the wall on the East-West Berlin border, narrowing the gaps at the crossing points to restrict border passage. (AP Photo/Kreusch) PA-9300202
