Ключевые слова: airline, airplane, airport, announcement, arrival, background, billboard, black, board, business, city, country, data, departure, destination, digital, display, flight, fly, francisco, frankfurt, helsinki, hong kong, indoor, info, information, international, istanbul, list, london, message, number, panel, peking, porto, san, schedule, screen, table, terminal, text, timetable, transport, transportation, visual,