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), 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.