Ключевые слова: adult, airport, airport checkin counter, airport departure area, boarding, caucasian, checkin, closeup, connection, control, departure, digital, flying, hand, holding, identity, individuality, indoors, journey, kiosk, machine, man, midsection, mobile app, mobile phone, modern, new normal, pandemic, passenger, people, person, phone, portable information device, prevention, qr code, self service, smart phone, smartphone, technology, ticket, tourism, tourist, transportation, travel, using phone, verification, wireless technology,