Belgian lawyer and jazz pianist Simon Gronowski, 89, a Jewish survivor of the Holocaust during the Second World War, and Belgian artist Koenraad Tinel, 87, the son of a Flemish nationalist and Nazi sympathiser, take part in an opera called PUSH in Boortmeerbeek, Belgium October 3, 2021. Picture taken October 3, 2021. REUTERS/Gabriela Baczynska