People march with portraits of relatives who were killed in World War II behind a banner that reads: "Immortal Regiment Serbia", during the ceremony on the occasion of the 80th anniversary of the liberation of Belgrade from Nazi occupation in WWII by Soviet and local communist fighters, in Belgrade, Serbia, Sunday, Oct. 20, 2024. (AP Photo/Darko Vojinovic)
A man holds an old Yugoslav Communists' flag, top, and an old Serbian flag with the communist five-point star during a ceremony on the occasion of the 80th anniversary of the liberation of Belgrade from Nazi occupation in WWII by Soviet and local communist fighters, in Belgrade, Serbia, Sunday, Oct. 20, 2024. (AP Photo/Darko Vojinovic)
A man waves a flag that shows Russian, left, and Serbian flags during a ceremony on the occasion of the 80th anniversary of the liberation of Belgrade from Nazi occupation in WWII by Soviet and local communist fighters, in Belgrade, Serbia, Sunday, Oct. 20, 2024. (AP Photo/Darko Vojinovic)
People hold a giant Serbian flag during the ceremony on the occasion of the 80th anniversary of the liberation of Belgrade from Nazi occupation in WWII by Soviet and local communist fighters, in Belgrade, Serbia, Sunday, Oct. 20, 2024. (AP Photo/Darko Vojinovic)
People hold a flag of the self-proclaimed Donetsk People's Republic and pictures of relatives killed in WWII during the ceremony on the occasion of the 80th anniversary of the liberation of Belgrade from Nazi occupation in WWII by Soviet and local communist fighters, in Belgrade, Serbia, Sunday, Oct. 20, 2024. (AP Photo/Darko Vojinovic)
A man holds an old Yugoslav Communists' flag, top, and an old Serbian flag with the communist five-point star during the ceremony on the occasion of the 80th anniversary of the liberation of Belgrade from Nazi occupation in WWII by Soviet and local communist fighters, in Belgrade, Serbia, Sunday, Oct. 20, 2024. (AP Photo/Darko Vojinovic)
People hold pictures of relatives killed in WWII during a ceremony on the occasion of the 80th anniversary of the liberation of Belgrade from Nazi occupation in WWII by Soviet and local communist fighters, in Belgrade, Serbia, Sunday, Oct. 20, 2024. (AP Photo/Darko Vojinovic)