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
Atlético Madrid including "Los Colchoneros" ("The Mattress Makers"), due to their first team stripes being the same colours as traditional mattresses. During the 1970s, they became known as "Los Indios", which some attribute to the club's signing several South American players after the restrictions on signing foreign players were lifted. However, there are a number of alternative theories which claim they were named so because their stadium is "camped" on the river bank, or because "Los Indios" (The Indians) were the traditional enemy of "Los Blancos" (The Whites), which is the nickname of the club's city rivals, Real Madrid. Felipe VI, the