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The arrival of Modernism produced much of the architecture of the 20th century. An influential style centred in Barcelona, known as modernisme, produced a number of important architects, of which Gaudí is one. The International style was led by groups like GATEPAC. Spain is currently experiencing a revolution in contemporary architecture and Spanish architects like Rafael Moneo, Santiago Calatrava, Ricardo Bofill as well as many others have gained worldwide renown.[citation needed]