Michal Sevruk as soldier. service at the time when he was in the military orchestra, Ovruč 1968

Michal Sevruk, Ovruč 1970

Michal Sevruk (far left) as a member of the orchestra at a competition at the Moscow Exhibition Centre, 1975

Excerpt from the promotional leaflet of the Ukrainian Radio and Television Orchestra, a witness standing on a staircase (eighth from the left, undated)

Parents of the witness (standing in the middle), relatives, on the right in squatting position wife of the witness. Marie, left in the foreground, and their children Alexei and Natalie, 1990s

Ivan Renč during filming

Ivan Renč in 1953

Václav Renč, the father of the witness, at the time before his imprisonment

Václav Renč, father of the witness, in the 1930s

Václav Renč after his release from prison, 1963

Ivan Renč in 1960

Ivan Renč, his younger brother Václav, father Václav Renč, mother Alena and sister Zuzana

Ivan Renc with his sister Zuzana, 1947

Václav Renč with his wife Alena, wedding photo, 1936

Ivan Renč in the 90s

Václav Renc's secret notes from Leopoldov prison, originals on cigarette papers, circa 1956

Václav Renc's secret notes from Leopoldov prison, originals on cigarette papers, circa 1956

Václav Renc's secret notes from Leopoldov prison, originals on cigarette papers, circa 1956

Father Václav Renč (far right), his sister Věra (left) and parents Antonie and Václav in 1925

The National Museum in August 1968 with the camera of Jiří Růžička

August 1968 with the camera of Jiří Růžička

"We want to hear Dubček", August 1968, camera by Jiří Růžička

August 1968 with the camera of Jiří Růžička

Old Town Square in August 1968 by Jiří Růžička's camera

August 1968 with the camera of Jiří Růžička