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,
Carlisle Cathedral dating from the 14th century. In 1856 this was restored and repainted to a new design by Owen Jones. It is thought the eastern bays of the cathedral never received a stone vault because at some point the central spire blew down, and funds were required to rebuild the damaged tower and north transept, completed in about 1420. The most significant architectural feature of Carlisle Cathedral is its East Window. The tracery of this window is in the most complex of English Gothic styles, Flowing Decorated Gothic. It is the largest and most complex such window in England, being 51