Which iconic flagship store, opened in 2001, revolutionized retail architecture with its transparent glass cube entrance and floating glass staircase, setting a new standard for experiential retail design?

The intersection of architecture and retail has produced some of history's most innovative shopping spaces. Flagship stores don't just sell products—they sell experiences through architectural brilliance. Some have become cultural landmarks, tourist destinations, and symbols of brand identity. This trivia question explores a retail architectural innovation that fundamentally changed how brands approach physical stores in the digital age.

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Apple Store, Fifth Avenue (NYC)
Nike Town, Oxford Street (London)
Louis Vuitton, Champs-Élysées (Paris)
Prada Epicenter, SoHo (NYC)