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 Hajdúdorog is enclosed by louvers made of copper. The belfry is topped by the eight columns of the lantern. The 2.5 m ("8 ft.") tall columns determine the shape of the highest section of the steeple, the octagonal spire of the cathedral. On the top of the spire there is a 1 m diameter copper globe that works as a time capsule too. This globe holds the original list of the pilgrims to Rome in 1900, the names of the pilgrims who followed their ancestors on bikes one century later, and the list of town dwellers who donated for the renovation