Salisbury Cathedral and Chichester Cathedral, 1402 to 1861) and fallen down; instead, Salisbury became the tallest church spire in the country on the collapse at Lincoln in 1549. The large supporting pillars at the corners of the spire are seen to bend inwards under the stress. The addition of reinforcing tie-beams above the crossing, designed by Christopher Wren in 1668, halted further deformation. The beams were hidden by a false ceiling, installed below the lantern stage of the tower. Significant changes to the cathedral were made by the architect James Wyatt in 1790, including replacement of the original rood screen and demolition
Corbeil Cathedral opened in 1995, superseding Saint Spire as the cathedral of the diocese. Corbeil Cathedral Corbeil Cathedral () is a Roman Catholic church located in the town of Corbeil-Essonnes, France. It was the interim cathedral of the Roman Catholic Diocese of Évry–Corbeil-Essonnes. The bishop's seat was established at the foundation of the new diocese in 1966 in the parish church of Saint Spire in Corbeil, which thus became the cathedral. The facilities were however inadequate for the needs of an episcopal administration, and the new town of Évry was chosen as a better-situated new episcopal centre, although entirely lacking in any