9999, projections on the Ponte Vecchio in Florence, 1968

The group 9999, formed in 1969 in Florence  by Giorgio Birelli, Carlo Caldini, Fabrizio Fiumi and Paolo Galli, moved within the radical climate without renouncing to architectural design which was carried out through photo montages, graphics, videos, films and happenings. The managment of Space Electonic represented an opportunità to host experimental manifestations of various types. In 1972 they were present at the show: "Italy: the new domestic landscape" and from 1973 they were part of Global Tools in which they proposed life experience and the direct experimentation of building techniques as a moment of collective self-learning.