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Cracks in the La Seu Staircase: Who Really Protects Palma's Heart?

How a cavity formed beneath La Seu in Palma

Leaking pipes may have created an underground cavity beneath Palma’s La Seu staircase; drainage is a key concern.

Published: October 21, 2026
Cracks in the La Seu Staircase: Who Really Protects Palma's Heart?

Answer

How could a large cavity form beneath a historic staircase in Palma?

The most likely cause is a leaking pipe washing out a cavity of several cubic meters beneath the structure. Previous voids opened in the past caused parts to collapse quickly, and corroded beams required temporary shoring. The case underscores the need for proper drainage and ongoing monitoring.

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