Ключевые слова: band, camera, captioning, cell, central, concert, crowd, dance, democracy, digital, entertainment, event, festival, fun, hand, holding, hongkong, light, live, many, men, mobile, music, night, nightlife, occupy, party, people, performance, phone, photo, photograph, pop, popular, protest, raised, recording, revolution, screen, show, smartphone, smoke, stage, technology, teen, telephone, urban, video, young,