Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Prehistoric Pile Dwellings around the Alps' has mentioned 'Well' in the following places:
Occurrence Sentence Text Source
The series of prehistoric pile-dwelling sites represents the well defined geographic area within which these sites are found to its full extent, as well as all the cultural groups in it during the time period during which the pile dwellings existed.
The sites selected have been chosen to be those that still remain largely intact, as well as to reflect the diversity of structures, groups of structures and time-periods.
The physical remains are well preserved and documented.