Abstract
The use of natural lighting in Catholic cathedrals has historically held both functional and
symbolic significance, shaping architectural design and liturgical experience. This study explores
the integration of natural light as a design element in Catholic cathedrals, focusing on its role in
enhancing spiritual atmosphere, highlighting sacred symbols, and reducing reliance on artificial
illumination. Natural light has long been associated with divine presence, and its controlled use
in cathedral design—through clerestories, stained glass, rose windows, and skylights—creates an
environment that fosters contemplation, reverence, and transcendence. Beyond its symbolic role,
natural lighting contributes to environmental sustainability by reducing energy consumption,
aligning historic architecture with contemporary ecological concerns. The review also identifies
challenges in achieving optimal natural lighting, such as balancing illumination with thermal
comfort, glare control, and preservation of heritage structures. The study concludes that the
thoughtful application of natural lighting in Catholic cathedrals not only preserves spiritual and
aesthetic traditions but also offers opportunities for sustainable innovation in modern
ecclesiastical architecture.
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