The world’s biggest domestic travel markets have been hit hard by #Covid’s delta strain. China and the U.S. have had their travel plans grounded while Europe sees clearer skies thanks to vaccine passports.
Vaccine Passports Keep Europe Flying
The world’s biggest domestic travel markets have been hit hard by #Covid’s delta strain. China and the U.S. have had their travel plans grounded while Europe sees clearer skies thanks to vaccine passports.
