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 Accords but has been admitted as Western Sahara's representative to the African Union (AU) and its ruling party (the Polisario Front) is recognized by the UN at least as the "soul legitimate representative of the Sahrawi people". Mauritania has pulled out from the conflict entirely since 1979. The following is the published text of the Madrid Accords: Madrid Accords The Madrid Accords, also called Madrid Agreement or Madrid Pact, was a treaty between Spain, Morocco, and Mauritania to end the Spanish presence in the territory of Spanish Sahara, which was until the Madrid Accords' inception a Spanish province and former colony.