In Pictures: The Berlin Wall, and the city 30 years later

This combination of photos shows a father and son, top, riding their bicycles along a section of the Berlin Wall in Berlin on July 1981 and the same location Nov. 3, 2019.

This combination of photos shows a section of the Berlin Berlin wall, top, on March 12, 1971, with American sector border sign in Berlin and the same location on Nov. 2, 2019, where the former Berlin Wall divided the city.

This combination of photos shows cars crossing the allied Checkpoint Charlie, top, in central Berlin on April 1978, and visitors stand around the same location on Nov. 5, 2019.

This combination of photos shows the Brandenburg gate, top, behind the Berlin Wall from the Reichstag building on March 8, 1973, and the same location on Nov. 4, 2019.

This combination of photos shows a section of the Berlin Wall, top, at Bernauer Strasse where the Berlin Wall divided the city during the Cold War and the same location Nov. 3, 2019.

This combination of photos shows West German students looking across the Berlin Wall, top, on March 8, 1973, at Potsdamer Platz in Berlin and the same location on Nov. 3, 2019.

This combination of photos shows a section of the Berlin Wall, top, at the district Kreuzberg in Berlin on July 1981 and the same location on Nov. 5, 2019.

This combination of photos shows people leaving the American sector along the Berlin Wall at allied Checkpoint Charlie, top, on April 1978, in central Berlin and visitors crossing the street at the former allied Checkpoint Charlie on Nov. 5, 2019.

This combination of photos shows an East German border guard making a fist to some demonstrators, top, on Oct. 7, 1989, who threw bottles on the eastern side of newly-erected barriers at the allied Checkpoint Charlie crossing point and the same location on Nov. 5, 2019, where people cross the street near where the former allied Checkpoint Charlie was located.

This combination of photos shows a section of the Berlin Berlin wall, top, on March 12, 1971, with American sector border sign in Berlin and the same location on Nov. 2, 2019, where the former Berlin Wall divided the city.