Young adult friends dancing at a party on a Brooklyn rooftop

outdoors summer day medium group of people 20s millennials young adults adults men women multi-ethnic group friends friendship togetherness relaxing fun dancing drinking communication socialising happy smiling laughing looking at camera looking at each other party celebrating gesturing pointing holding glass champagne glass casual clothing rooftop roof terrace urban setting plants sunlight three quarter length selective focus close up backlit slow motion handheld brooklyn new york