Ключевые слова: adult, african ethnicity, casual clothing, cheerful, friendship, generation z, holding, horizontal, leisure activity, medium group of people, memories, millennial generation, mixed race person, multiethnic group, organized group photo, outdoors, party, people, photo messaging, photographing, photography themes, playful, portable information device, real people, smart phone, social event, social gathering, technology, the city, togetherness, wireless technology, young adult, youth culture,