The architect Helmut Jahn designed the Sony Center with a complex of seven buildings on a 26,000 m² plot in the Berlin district of Mitte, the construction period was of three years. Already on 20th January 2000, the entertainment area of the center was opened, the opening of the entire complex then took place on June 14th, 2000. Arranged in a characteristic triangular shape, the Sony Center offers a combination of work, living and entertainment spaces. At the top of this triangle is the 103 meter high railway tower - next to the three other skyscrapers on Potsdamer Platz.