Among all his permanent work installations: Villa Celle in Santomato of Pistoia (1982); Olympic Park in Seoul (1988); Djerassi Foundation in Woodside (1987–1991); Museum of Contemporary Art of Seul Kwachon (1990); Museum of Contemporary Art of San Diego (1996); Ordino d’Arcalis in Andorra (1991); Munich (1996); Parc Tournay-Solvay in Brussels (1996); Villa Glori in Roma (1997); Schuman roundabout in Brussels (1998); Lapiz building in La Jolla (2003); Chiaopanshan International Sculpture Park in Taiwan (2003); University of Puerto Rico Arecibo (2004); Carrazeda de Ansiães in Portugal (2008); Centre Val St Quentin in Voisins-le-Bretonneux (2008).