Assertion: western desert | /r/CapableOf | have been semi-arid grassland
Facets:
value: home to savannah animals
type: OTHER
value: in pre-historic times
type: TEMPORAL
Source sentences:
text: In pre-historic times the Western desert is thought to have been a semi-arid grassland, home to savannah animals and hunter-gatherers; evidence of abundant wildlife and surface water can be found in the cave paintings of the Gilf Kebir.