I think he’s being pretty optimistic tbh
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No way are these places allowing mass tourism any time soon imo. Some sort of 'I'm safe passport' would allow travel to open up but that relies on countries/governments agreeing how to implement.
Of course tourism is a big economic driver for many countries but the impact of going through numerous lockdowns is going to be far more damaging than extending the current border closures and trying to get this right first time I'd have thought