Ключевые слова: airport, american, antibody, background, blue, border, business, citizen, citizenship, concept, control, country, customs, document, documentation, europe, european, foreign, holiday, id, identification, identity, illness, immigration, international, journey, national, nobody, official, pair, paper, passport, red, scan, security, stamp, states, table, tourism, tourist, travel, traveler, trip, two, united, usa, vacation, visa, white, world,