MILAN, ITALY - JANUARY 01: Interiors of Mario Cavalle's Igloo houses in 1951, Quartiere Maggiolina, Milan, Italy. (Photo by Archivio Cameraphoto Epoche/Hulton Archive)
MILAN, ITALY - JANUARY 01: Interiors of Mario Cavalle's Igloo houses in 1951, Quartiere Maggiolina, Milan, Italy. (Photo by Archivio Cameraphoto Epoche/Hulton Archive)