A guess, not an answer. You'll see what everyone else said.
Machine-generated description — written by an image model, not by a person.
Traditional folk dancers in period costumes perform in a European city square, holding flags with Cyrillic script ("ДОНЖО") and musical instruments. The backdrop features a grand neoclassical building with a "Sightseeing Tours" sign. Likely Bulgaria, 1960s–1980s.