Ключевые слова: 737, 737800, aerospace, air travel, airline, airline industry, airliner, airlines, airport, airways, australian airlines, aviation, boeing, boeing 737, business, cancelled, commercial aircraft, commercial airline, commercial aviation, coronavirus, covid 19, destination, downturn, flight cancelations, flight cancellation, flying, grounded, grounding, industry, jet, lockdown, news, parked, qantas, qantas airways, qantas ltd, recession, shut down, shutdown, transport, transportation, travel, travel ban, travel bans, travel restriction, vacation,