a height of about nine meters, is about 85 meters wide and extends for about a kilometer from Hudson Square to near Marconi Square. The municipality of Rotterdam will provide the flat roof of the conference and concert building De Doelen with greenery and water storage. The design for the roof was made by Kraijvanger Architects. Architecture Rotterdam has become world famous because of its modern and groundbreaking architecture. Throughout the years the city has been nicknamed Manhattan at the Meuse and The architectural capital of the Netherlands both for its skyline and because it is home to internationally leading architectural firms involved in the design of famous buildings and bridges in other big cities. Examples include OMA (Rem Koolhaas), MVRDV, Neutelings & Riedijk and Erick van Egeraat. It has the reputation in being a platform for architectural development and education through the NAi (Netherlands Architecture Institute), which is open to the public and has a variety of exhibitions on architecture and urban planning issues and prior the Berlage Institute, a postgraduate laboratory of architecture. The city has 38 skyscrapers and 352 high-rises and has many skyscrapers planned or under construction. The top 5 of highest buildings in the Netherlands consists entirely of buildings in Rotterdam. It is home to the tallest building in the Netherlands, the Maastoren with a height of 165 meters. In 2021, the Zalmhaven Tower is completed with a height of 215 meters, and is now the new tallest building in the Netherlands. History In 1898, the high-rise office building the White House (in Dutch Witte Huis) was completed, at that time the tallest office building in Europe. In the first decades of the 20th century, some influential architecture in the modern style was built in Rotterdam. Notable are the Van Nelle fabriek (1929) a monument of modern factory design by Brinkman en Van der Vlugt, the Jugendstil clubhouse of the Royal Maas Yacht Club designed by Hooijkaas jr. en Brinkman (1909), and Feyenoord's football stadium De Kuip (1936) also by Brinkman en Van der Vlugt. The architect J. J. P. Oud was a famous Rotterdammer in those days. The Van Nelle Factory obtained the status of UNESCO World Heritage Site in 2014. During the early stages of World War II the centre of Rotterdam was bombed by the German Luftwaffe, destroying many of the older buildings in the centre of the city. After an initial