Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historic Centre of the City of Pienza' has mentioned 'Construction' in the following places:
Occurrence Sentence Text Source
Construction started about 1459.
The construction of new major buildings around the square began in 1459 and included the cathedral as well as Piccolomini Palace, the Borgia Palace (or Episcopal Palace), the Presbytery, the Town Hall, and the Ammannati Palace.
Pius IIxe2x80x99s plan, to develop the town as his summer court, involved the construction or reconstruction of approximately 40 buildings, public and private, which further transformed the medieval town into a creation of the Italian Renaissance.
The instability of the soil, particularly in the piazza, has caused ongoing structural problems to the cathedral since its construction.