clusters lot is a mean of lighting for moving youth and growing
flash_mob_dispersal is atypical_thing. youth is youngness. youth_subculture is youth_culture. youth_gang is gang. flash_mob_dispersal is public_event. rockers is youth_subculture. punks is youth_subculture. flash_mob_dispersal is coordinated_group_activity. mods is youth_subculture. youth_culture is subculture.