Which transportation hub was the first to implement the revolutionary 'walk-through' duty-free retail design concept, where passengers must pass through retail space to reach their gates?

Airport and train station retail spaces have transformed dramatically over the past decades, evolving from basic convenience shops to sophisticated shopping destinations. This transformation represents a fascinating intersection of transportation infrastructure and retail innovation. Test your knowledge about a groundbreaking retail design concept that changed how travelers shop while in transit.

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Shannon Airport (Ireland)
Schiphol Airport (Netherlands)
Frankfurt Hauptbahnhof (Germany)
Grand Central Terminal (USA)