Assertion: pyramid's face | /r/HasProperty | framed at neferefre's unfinished pyramid
Facets:
Source sentences:
text: Its outer faces were framed using massive – at Neferefre's unfinished pyramid the single step contained blocks up to 5 m (16 ft) by 5.5 m (18 ft) by 1 m (3.3 ft) large – roughly dressed grey limestone blocks well-joined with mortar.