Tourists enter the departures lounge of the airport of Heraklion, on the island of Crete, Greece, Sept 8, 2020. [Photo/Agencies] Politicians in discussions over vaccine certificates in attempt to boost tourism British holidaymakers vaccinated against COVID-19 could be able to travel to Greece as early as May, after politicians in one of the most popular tourist destinations in Europe discussed proposals to break from the European Union’s more cautious line about international travel. According to the road map out of pandemic lockdown published by the British government on Monday, if the initial steps prove successful, the earliest possible date […] More