large crowd of people filling a stadium in Sofia, Bulgaria

large crowd of people filling a stadium in Sofia, Bulgaria. The stadium appears to be full, with people in the stands and on the field. A tall tower stands near the center of the frame, illuminated by the setting sun, which casts a warm light on the scene. Many spectators are wearing black shirts, and some appear to be holding programs or pamphlets. In the foreground, the back of a woman's head is visible, with her holding what appears to be a setlist. The stadium's architecture and layout are typical of large outdoor venues, with tiered seating and open spaces. Based on these characteristics, the stadium is likely Vasil Levski National Stadium in Sofia. The crowd suggests a major event, possibly a concert or a large sporting event.