The rules are in place for anyone travelling from abroad, including Britons returning from holidays in the future.
The only exceptions are those travelling from Ireland, the Isle of Man or the Channel Islands, otherwise known as the Common Travel Area.
And now, other countries such as Spain and France have also put such rules in place which has, in turn, jeopardised the future of the travel and tourism industry.
With that in mind, many countries are looking to restart their tourism industries as quickly as possible.
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