A large crowd of people is seen marching down a city street in Barcelona, Spain, under a clear, bright daytime sky. Many participants are holding large red flags and are actively clapping, suggesting a protest or parade. The atmosphere appears energetic and unified. The crowd consists mainly of young adults, but people of various ages are present. Buildings with balconies and green trees line the street. In the background, a traffic light and a "no entry" sign are visible. A banner or bag carried by a person in the foreground partially shows the text "1 DE MAIG," indicating the event is likely a May Day (International Workers' Day) demonstration.