Portugal can expect an influx of thousands of football supporters when Lisbon hosts the final stages of the Champions League - which has been described as "a gift for the country".
Europe has been hit hard by the coronavirus pandemic, and UEFA decided in May it would move its flagship club competition to Portugal from the quarter-final stage onwards.
By having all eight teams together in the same city, UEFA will be able to closely manage the organisation of the competition, in the hope it passes off without any Covid-related problems.
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According to Daniel Sa, executive director of the Portuguese Institute of Administration and Marketing (IPAM), Portugal can expect to benefit to the tune of around €50 million in extra income.