A groin vault is an architectural feature created when two barrel vaults intersect at right angles, forming a curved ceiling that is both structurally strong and aesthetically pleasing. This innovative design allowed for larger and more open spaces in buildings, particularly in churches and cathedrals, showcasing the shift towards verticality and light in Romanesque and Gothic architecture. The use of groin vaults not only influenced the spatial organization of these structures but also symbolized the growing relationship between church and state as monumental religious buildings were constructed during this period.
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