Assertion: graffiti | /r/CapableOf | become visualized as growing urban problem
Facets:
value: for many cities in industrialized nations
type: LOCATION
Source sentences:
text: Graffiti has become visualized as a growing urban "problem" for many cities in industrialized nations, spreading from the New York City subway system in the early 1970s to the rest of the United States and Europe and other world regions.