Which architectural retail innovation, first popularized in the 1970s, featured multi-level interior spaces with a central open area topped by a glass ceiling that allowed natural light to flood the shopping environment?

Retail architecture has evolved dramatically over the decades, with innovative designs reshaping how consumers experience shopping environments. One particular architectural innovation revolutionized the indoor mall concept and created a more open, naturally-lit shopping experience that has become standard in premium retail developments worldwide. Test your knowledge of this significant retail architectural breakthrough that merged nature with commercial spaces.

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The atrium mall design
The corridor arcade system
The department store pavilion
The integrated marketplace concept