Assertion: fortress's wall | /r/HasProperty | constructed in brick-faced concrete
Facets:
value: with a square tower
type: OTHER
Source sentences:
text: The walls were constructed in brick-faced concrete, 3.5 metres (11 ft) thick and 8 metres (26 ft) high, with a square tower every 100 Roman feet (29.6 metres (97 ft)).
text: The walls were constructed in brick-faced concrete, 3.5 m (11 ft) thick and 8 m (26 ft) high, with a square tower every 100 Roman feet (29.6 m (97 ft)).