description: The photograph was taken during Jerzy Bereś’s solo exhibition entitled "Jerzy Bereś. Material proofs. Manifestations from 1967-92" (Center for Contemporary Art Ujazdowski Castle, Marble Hall, Jazdów Street 2, Warsaw, 10.05-20.06.1993). Photographed by Mariusz Michalski and Barbara Wójcik. In the foreground, three tables – material proof from the "Dialogue with Ignacy Witkiewicz" manifestation, Pryzmat Gallery, April 1980. Above, material proofs from a series of manifestations taken during his stay in Great Britain in 1979. On the wall, photographs from the "Romantic Mass" manifestation, Krzysztofory Gallery, 16.09.1978. On the left side, a fragment of the material proof from the "Artistic Mass II" manifestation, Zachęta Gallery, Warsaw, 09/09/1978; further on, against the wall, on the floor, there is a material proof from the manifestation "Ritual of Sincerity", Na Piętrze Gallery, Łódź, 04/05/1976.