![Passengers queue to reach the counter of TAP Air Portugal airline, at Lisbon airport, Saturday, July 17, 2021. A strike by ground handling workers at Portugal's airports forced the cancellation of over Passengers queue to reach the counter of TAP Air Portugal airline, at Lisbon airport, Saturday, July 17, 2021. A strike by ground handling workers at Portugal's airports forced the cancellation of over](https://c8.alamy.com/comp/2ME6AB9/passengers-queue-to-reach-the-counter-of-tap-air-portugal-airline-at-lisbon-airport-saturday-july-17-2021-a-strike-by-ground-handling-workers-at-portugals-airports-forced-the-cancellation-of-over-200-flights-on-saturday-the-walkouts-over-wage-conditions-are-scheduled-to-last-through-sunday-ap-photoarmando-franca-2ME6AB9.jpg)
Passengers queue to reach the counter of TAP Air Portugal airline, at Lisbon airport, Saturday, July 17, 2021. A strike by ground handling workers at Portugal's airports forced the cancellation of over
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