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,
St Paul's Cathedral English churches, to a "better manner of architecture". It has the longitudinal Latin Cross plan of a medieval cathedral. It is of one-and-a-half stories and has classical porticos at the west and transept ends, influenced by Inigo Jones’s addition to Old St Paul's. It is roofed at the crossing by a wide shallow dome supporting a drum with a second cupola, from which rises a spire of seven diminishing stages. Vaughan Hart has suggested that influence in the design of the spire may have been drawn from the oriental pagoda. Not used at St Paul's, the concept was applied in