Busquets’ designs include new urban centres, reconstruction of old and neglected urban areas and the development of infrastructure. His practice had been developed mainly in Europe, like: Barcelona, Toledo, Mallorca, La Coruña, Las Palmas in Spain, also Lisbon, Viseu ,Barreiro and Coimbra in Portugal; Trento, Alghero in Italy; The Hague, Amsterdam, Delft and Helmond in the Netherlands; Dunkerque, Rouen and Paris in France; Geneva in Swiszerland. (He has been advising some international projects in Buenos Aires, Sao Paulo, ShenZhen, Beijing, Ningbo and Singapore.