Complex sentence: Most of the Burgundian Gothic cathedral was built 1215--1233, over an 11th-century crypt, but building continued until the 1540s, when the cupola in Renaissance style that takes the place of one pinnacle on the completed tower was completed.
Split into simpler sentences: Most of the Burgundian Gothic cathedral was built between 1215 and 1233 above an 11th-century crypt. Construction continued until the 1540s when the cupola, in Renaissance style that takes the place of one pinnacle on the completed tower, was completed.