Desc: Uslyszcie mój krzyk: Directed by Maciej Drygas. With Ryszard Siwiec, Maria Siwiec, Innocenta Siwiec, Elzbieta Siwiec. The story of an ordinary accountant, Ryszard Siwiec, who set himself on fire during the large harvest festival at the Warsaw stadium in 1968. He did it to protest against the military invasion in Czechoslovakia.