group of people gathered in what appears to be an old quarry or a similar excavation site with layered rock walls

group of people gathered in what appears to be an old quarry or a similar excavation site with layered rock walls. A line of parked cars is visible on the edge of the quarry, and people are milling around, some seemingly picnicking or setting up areas to relax. There's music playing, creating a festive or relaxed atmosphere. The quarry walls are a reddish-brown color, and the sky is clear and blue, suggesting it is daytime.