In this image, East German workers can be seen building the Berlin Wall to divide East and West Berlin. This photo was taken on November 20th, 1961 so this is very early on in the building process. The workers can be seen laying bricks with armed guards in the background. This image was taken at the Brandenburg Gate.
Citation: Popperfoto. Berlin, Germany, 20th November, 1961, East German workers laying bricks during the building of the new wall in Berlin to divide East and West of the city, at the Brandenburg Gate, leading to the British sector, The wall was set up the Soviet army to preve [Photograph found in Popperfoto Collection]. Retrieved from https://www.gettyimages.com/detail/news-photo/berlin-germany-20th-novem… (Originally photographed 1961, November 20)