"Old newspaper advertising on the wall of a building on the corner of Unter den Linden - Friedrichstrasse, visible after the demolition of the old Hotel Unter den Linden, Berlin, Germany, Europe"

Lettering Unter den Linden of the subway line U5, Berlin, Germany, Europe

"Potsdamer Platz, Potsdam Square, with the Bahn Tower, left, and the Ritz Carlton Hotel, right, Berlin, Germany, Europe"

Alexander von Humboldt-Statue vor der Humboldt-Universitat, Unter den Linden, Berlin, Deutschland, Europa

"Fence at the construction site for the new U-bahn metro station Unter den Linden at the corner of Friedrichstrasse and Unter den Linden, Berlin, Germany, Europe"

The new station Unter den Linden of the underground line U5, Berlin, Germany, Europe

Visit of Benito Mussolini, Unter den Linden, historical photo, September 1937, Berlin, Germany, Europe

"Bahnturm tower, left, Beisheim Center with the Ritz Carlton Hotel, right, Potsdamer Platz square, at dusk, Mitte, Berlin, Berlin, Germany, Europe"

"Entrance to the Ritz Carlton Hotel in the Beisheim Center, Potsdamer Platz square, in the evening, Mitte, Berlin, Berlin, Germany, Europe"

Entrance to the new station Unter den Linden of the underground line U5, Berlin, Germany, Europe

The emperor at the exit of Unter den Linden in Berlin, Germany, historical engraving, 1880, Europe

Historical illustration from the 19th Century, equestrian statue of Frederick the Great, Unter den Linden, Berlin, Germany, Europe

"Hotel Adlon, a luxury hotel, Unter den Linden, Berlin, Berlin, Germany, Europe"