Ключевые слова: access, african, app, black, cellphone, city, closeup, cloud network, cloud storage, communication, connection, data transfer, device, digital, entertainment, file, hand, icon, internet, journey, man, media, mobile phone, music, online, passenger, people, person, phone, photo, picture, public, railway, smartphone, social media, station, subway, technology, telephone, train, transport, transportation, travel, traveler, trip, tube, upload, urban, use, wireless,