Cuatro Torres Business Centre, CTBC, with the tower of Torre Caja Madrid, left, headquarters of the Spanish bank Caja Madrid, with 249. 5 metres the tallest building in Spain, in Madrid, Spain, Europe

Banking and business district of Azca, on the left, the headquarters of the Spanish bank Ahorro Corporacion, in the middle, the BBVA, Banco Bilbao Vizcaya Argentaria, and on the right, Torre Picasso Tower, Madrid, Spain, Europe

Sign for the metro station at the Central Bank of Spain, Banco de Espana, on Plaza de la Cibeles square, Madrid, Spain, Europe

Modern office towers, Puerta de Europa, also called Torres Kio, with the headquarters of the bank Bankia, to which the bank Caja Madrid also belongs, Plaza Castilla square, Madrid, Spain, Europe

Modern office towers, Puerta de Europa, also called Torres Kio, with the headquarters of the bank Bankia, to which the bank Caja Madrid also belongs, Plaza Castilla square, Madrid, Spain, Europe

Modern office towers, Puerta de Europa, also called Torres Kio, with the monument to Jose Calvo Sotelo, Plaza Castilla square, Madrid, Spain, Europe

Logo and logotype of the Spanish bank Unnim Caixa, Madrid, Spain, Europe