Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Archaeological Site of Atapuerca' has mentioned 'Construction' in the following places:
Occurrence Sentence Text Source
The archaeological significance of the area became increasingly apparent during the construction of a railway line as deep trenches were cut through the rocks and sediments of the Gran Dolina site, the Galerxc3xada Elefante and at Sima de los Huesos.