Which architectural feature, first popularized in the Bon Marché department store in Paris (1876), revolutionized retail design by creating dramatic multi-story interior spaces illuminated from above?

The modern shopping experience owes much to architectural innovations that transformed retail spaces. One particular design element revolutionized department stores in the late 19th century, creating dramatic interior spaces that drew shoppers in and encouraged them to linger and explore multiple floors. This poll tests your knowledge of this significant retail-architectural innovation that continues to influence shopping center design today.

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The central atrium with glass ceiling
The escalator hall with mirrored walls
The arcade passageway with clerestory windows
The rotunda with domed skylight