Architecture of Madrid of Music is a work of 1988. In the 21st century, Madrid faces new challenges in its architecture. An old industrial warehouse is the Interpretation Centre of New Technologies, and the CaixaForum Madrid (Herzog & de Meuron) was a former power station. Under the government of Alberto Ruiz-Gallardón the four tallest skyscrapers in Spain were built, and together form the Cuatro Torres Business Area (CTBA). The Manzanares River is crossed by new edge bridges, and work started on the International Convention Centre (Mansilla+Tuñón), an original round building, whose works remain paralyzed by the crisis. Caja Mágica (Dominique Perrault) sport centre
Madrid system 1 April 1996. The Madrid Agreement and Madrid Protocol were adopted at diplomatic conferences held in Madrid, Spain. The Madrid Agreement was originally intended to provide for an international registration system, but did not achieve this for two significant reasons: Some of the large trading nations like the United States, Japan, and Canada, which have a large number of filings at the national level, did not join the Madrid Agreement due to another perceived flaw in the system: if the home registration upon which an international registration was based came under 'central attack', the international registration would be cancelled or