Airline executives cast doubt on European summer vacations with borders still closed - Earth News Report
Delta Air Lines Airbus A330neo or A330-900 aircraft with neo engine option of the European plane manufacturer, as seen departing from Amsterdam Schiphol AMS EHAM International airport.Nicolas Economou | NurPhoto | Getty ImagesHoping to take a European vacation this summer? You may be out of luck.Borders in much of Europe have been closed to most
