Ключевые слова: audience, band, bottle, cardiff, cell, cellphone, concert, crowd, dancing, dj, enjoyment, entertainment, fan, female, festival, group, having fun, holding, horizontal, inside, lighting, male, man, men, millennials, mobile, mobile phone, music, night out, performance, performer, rave, rear view, stage, summer, tent, uk, unrecognizable person, view from behind, water, woman, women, young men, young women,