The demolition of the wall Štěpán Zavřel Original bibliographical reference Die Riesenberge, text by Max Bolliger, illustrations by Štěpán Zavřel, Bohem Press, Zurich, 1985 Other editions Le montagne dei giganti, text by Max Bolliger, illustrations by Štěpán Zavřel, translation by Gaia Volpicelli, Edizioni Arka, Milan, 1996 Technique watercolor Measures 24,7 x 35,3 cm Year 1985