Which pioneering airport is credited with developing the first modern 'walk-through' duty-free retail concept that forced passengers to navigate through a retail area to reach their gates?

The transportation industry has transformed how we shop with captive audiences in airports, train stations, and other transit hubs. These retail environments have evolved from basic convenience stores to sophisticated shopping destinations, with unique merchandising strategies and customer journey considerations. Test your knowledge about how transportation hubs have revolutionized retail design and customer experience!

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Shannon Airport (Ireland)
Heathrow Airport (UK)
Schiphol Airport (Netherlands)
Dubai International Airport (UAE)