Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Frontiers of the Roman Empire' has mentioned 'Construction' in the following places:
Occurrence Sentence Text Source
The perimeter defence of Hadrian's Wall was achieved through the construction of camps (castella) on the lowlands, which were built along the most important roads in the north.
The Fossatum Africae ("African ditch") of at least 750xc2xa0km controlled the southern borders of the Empire and had many similarities of construction to Hadrian's Wall.
It is considered to have many similarities of construction to Hadrian's Wall at the northern border of the Empire in Britain.
It illustrates an ambitious and coherent system of defensive constructions perfected by engineers over the course of several generations and is outstanding for its construction in dressed stone and its excellent use of the spectacular upland terrain through which it passed.
With their forts, fortlets, walls, ditches, linked infrastructure and civilian architecture they exhibit an important interchange of human and cultural values at the apogee of the Roman Empire, through the development of Roman military architecture, extending the technical knowledge of construction and management to the very edges of the Empire.