Potsdamer Platz Square with DB Tower, Sony Center and Kollhoff Turm Tower, Berlin Mitte, Berlin, Germany, Europe

Exterior of Kollhoff Tower and Deutsche Bahn Tower at night, Potsdamer Platz, Berlin, Germany, Europe

Cityscape view towards the Holocaust Memorial as seen from the viewing platform of the Kollhoff Tower, Berlin, Germany, Europe

Potsdamer Platz Square with DB Tower, Sony Center and Kollhoff Turm Tower, Berlin Mitte, Berlin, Germany, Europe

Exterior of Debis Tower and Kollhoff Tower at night, Potsdamer Platz, Berlin, Germany, Europe

Potsdamer Platz Square with Kollhoff Turm Tower, Berlin Mitte, Berlin, Germany, Europe

Potsdamer Platz at night from left to right, Renzo Piano Tower, Hans Kollhoff Tower, Bahn Tower, Beisheim Center, Delbrueck Tower, Potsdamer Platz, Berlin, Germany, Europe

Panoramic View from Kollhoff Tower towards Sony Center, DB tower, Leibziger Platz, Potsdamer Platz, Berlin, Germany

Group of Segway Drivers, Piano House, Old Potsdam Street, Kollhoff Tower, Potsdam Place, Festival of Lights, Berlin, Germany

Potsdamer Platz, from left to right, Renzo Piano Tower, Hans Kollhoff Tower, Bahn Tower, Berlin-Mitte, Berlin, Germany, Europe

Panoramic view from Kollhoff Tower, Leipziger Platz, Berlin, Germany

High-rise buildings, BahnTower and Kollhoff-Tower from a worm's-eye view, Potsdamer Platz, Berlin, Germany, Europe

Potsdamer Platz square with the Berliner Philharmonie Concert Hall, DB Tower, Sony Center and Kollhoff Tower, Berlin, Germany, Europe

Potsdamer Platz square with DB Tower, Sony Center and Kollhoff Tower, Berlin, Germany, Europe

Skyscrapers on Potsdamer Platz square with subway and tram entrance, Piano high-rise building, Kollhoff high-rise building, Chrysler Building, Sony Center, Deutsche Bahn Tower and Beisheim Center with Ritz Carlton Hotel, Tiergarten district, Berlin, Germa

BahnTower, Kollhoff-Tower and other skyscrapers at Potsdamer Platz square, Berlin, Germany, Europe

Three high-rise buildings at Potsdamer Platz Square, architectural detail, from ltr, PwC, PricewaterhouseCoopers, Kollhoff-Tower, BahnTower, Berlin, Germany, Europe

Skyscrapers on Potsdamer Platz square, Kollhoff high-rise building, Chrysler Building, Sony Center, Deutsche Bahn Tower, Tiergarten district, Berlin, Germany, Europe

Potsdamer Platz left to right: Quartier DaimlerChrysler, Kollhoff-Tower, Bahn-Tower, Beisheim-Center, S-Bahn sign, Berlin, Germany, Europe