Assertion: desert's population | /r/CapableOf | return to pre-plague levels
Facets:
value: at the end of twentieth century
type: TEMPORAL
Source sentences:
text: Siena’s population fell from about 50,000 before the Black Death to 14-16,000 in 1400-1450 (Ginatempo, 1990) and returned to pre-plague levels only at the end of twentieth century.