Ключевые слова: air, aircraft, airplane, airport, aviation, ban, business, cancel, cancellation, coronavirus, covid19, cross, cross out, design, discontinuation, discontinue, flight, fly, forbid, forbidden, hazard, icon, illustration, isolated, jet, no, notification, pandemic, passenger, pictogram, plane, prohibit, prohibited, prohibition, quarantine, red, safety, sign, stop, symbol, tourist, transport, transportation, travel, trip, vacation, viral, virus, warn,