Ключевые слова: abroad, background, business, businessman, chip, citizen, citizenship, concept, control, country, customs, data, destination, document, documentation, electronic, emigration, europe, european, foreign, freedom, friends, frontier, global, grenada, hand, holiday, homeland, id, identification, identify, identity, immigrant, immigration, legal, lisbon, migration, national, official, passport, portugal, portuguese, red, tourism, tourist, tower, travel, union, visa,