A youngster wearing a surgical mask decorated with the Yugoslav communist partisan red star participates in an anti-Nazi protest outside the Sacred Heart Cathedral during a mass commemorating members of the pro-Nazi Croatian WWII Ustasha regime, responsible for sending tens of thousands of Serbs, Gypsies and Jews to their death in concentration camps, who were killed at the end of WWII by Yugoslav communist troops, in Sarajevo, Bosnia, Saturday, May 16, 2020. Bosnian Catholic clerics along with Croatian state representatives and members of the Bosnian Croats community attended a religious service commemorating the massacre of Croatian pro-Nazis by victorious communists at the end of World War II. (AP Photo/Kemal Softic), APTOPIX