Ключевые слова: air travelers, bay, bus, cabin, chair, city, coach, comfort, contamination, corona virus, covid19, distance, empty, face masks, face shields, indoor, infection, inside, journey, mask, men, modern, nobody, object, old, pandemic, pass, passenger seat, people, protection, public, quarantine, ride, row, savior, seating, service, shield, tour, tourism, transport, transportation, travel, trip, urban, vehicle, white, window, women,