Assertion: canyon | /r/AtLocation | large expanses of land
Facets:
value: in arid (dry) regions
type: LOCATION
value: usually
type: DEGREE
Source sentences:
text: A few make the distinction that canyons are usually found in arid (dry) regions characterized by plateaus, which are relatively level, large expanses of land that rise some 1,500 feet (457 meters) or more above their surroundings and have at least one steep side.