The skylines of many important medieval cities had large numbers of high-rise urban towers, built by the wealthy for defense and status. The residential Towers of 12th century Bologna numbered between 80 and 100 at a time, the tallest of which is the high Asinelli Tower. A Florentine law of 1251 decreed that all urban buildings be immediately reduced to less than .Werner Müller: "dtv-Atlas Baukunst I. Allgemeiner Teil: Baugeschichte von Mesopotamien bis Byzanz", 14th ed., 2005, , p.345 Even medium-sized towns of the era are known to have proliferations of towers, such as the 72 towers that ranged up to height in San Gimignano.
the skylines of many important medieval cities had large numbers of high-rise urban towers built by the wealthy for defense and status the residential towers of 12th century bologna numbered between 80 and 100 at a time the tallest of which is the high asinelli tower a florentine law of 1251 decreed that all urban buildings be immediately reduced to less than werner müller "dtv-atlas baukunst i allgemeiner teil baugeschichte von mesopotamien bis byzanz" 14th ed 2005  p345 even medium-sized towns of the era are known to have proliferations of towers such as the 72 towers that ranged up to height in san gimignano