Assertion: fortress's building | /r/HasProperty | placed at the rear
Facets:
Source sentences:
text: The D-shaped blockhouse was curved at the front, with two storeys of gun-ports, and probably had additional gun platforms stretching along the river on either side of it; ancillary buildings were placed at the rear and the whole site was protected by a rampart and a ditch, with extensive marshlands and creeks giving additional protection to the east.