Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Belfries of Belgium and France' has mentioned 'Construction' in the following places:
Occurrence Sentence Text Source
Beyond their architectural structure, the belfries present a wide typology linked both to the history of the communities, the period of construction, the materials used and the personality of their master builders.
The period of construction of the belfries extends from the 11th to the 20th century, presenting a wide diversity of style, from Roman art to Art Deco.
Types, locations, period of construction, architectural styles and materials used for the belfries inscribed all bear witness to this serial property in its vast diversity.
Furthermore, concerning the number of belfries inscribed (56), it is impossible to consider authenticity in material terms, referring only to their initial period of construction; one can instead consider the permanence of their existence and their symbolic value as authentic.