Firstly, a review of the historical development of Street Theatre in Europe from the middle ages onward is carried out, with special reference to Greece, Italy, Poland, and Romania, aiming to draw lessons, regarding, in particular, the use of improvisation and audience participation in performances held in public space.

Secondly, field research is conducted, including 20 interviews held with individuals experiencing social exclusion in Greece, Italy, Poland, and Romania. The interviews aim to collect personal “stories” to include in the scenario of the “Kaspar Machine” play and in the art exhibition.