Ключевые слова: adult, air traffic control tower, airport, anxiety, building, city, complication, coronavirus, covid19, depression, disease, emotional stress, epidemic, europe, face, face mask, fear, flu, flying, health, healthcare and medicine, illness, infection, infectious disease, man, mask, one person, outbreak, pandemic, people, portrait, prevention, protect, protection, protective mask, real people, reflection, respirator, respiratory, sad, sadness, safety, terminal, tourism, tourist, transportation, travel, virus, wearing, worried,