Ключевые слова: aircraft, airline, airline business, airlines, airplane, airport, airport empty, airport terminal, architecture, aviation, aviation business, building, business, canceled, check in, closed, commercial, corona, corona virus, coronavirus pandemic, corvid 19, covi, covi19, covid19, crisis, departure, disease, economic crisis, economics, empty, empty airport, empty terminal, epidemic, flight, flight canceled, flights, health, industry, lockdown, outbreak, pandemic, passenger, sarscov2, terminal, tourism, transport, transportation, travel, virus,