Spire spires were an astounding architectural innovation, beginning with the early fourteenth-century spire at Freiburg Minster, in which the pierced stonework was held together by iron cramps. The openwork spire, according to Robert Bork, represents a "radical but logical extension of the Gothic tendency towards skeletal structure." The organic skeleton of Antoni Gaudi's phenomenal spires at the Sagrada Família in Barcelona represent an outgrowth of this Gothic tendency. Designed and begun by Gaudi in 1884, they were not completed until the 20th century. In England, "spire" immediately brings to mind Salisbury Cathedral. Its 403-foot (123-m) spire, built between 1320 and 1380,
Cathedral of the Savior of Zaragoza the Baroque spire completed the tower. The cathedral is a mixture of styles, from the Romanesque apse (12th century) to the Baroque tower and Neo-Classical main door (18th century), passing through Mudéjar and Gothic. Of the diverse styles that make up La Seo Cathedral, the most important elements are: The cathedral's museum has been restored recently and is open to the public. It is a tapestry museum that displays one of the finest collections of tapestries in the world. Beginning with the foot of the cathedral, the chapels on the right side: Beginning with the foot of the cathedral, the