Kunlun Mountains vs Red China

Kunlun Mountains and Red China both are nouns.

Word	Noun	Adjective	Verb	Adverb
Kunlun Mountains	Yes	No	No	No
Red China	Yes	No	No	No

Kunlun Mountains (noun)	Red China (noun)
a mountain range in western China that extends eastward from the Indian border for 1000 miles	a communist nation that covers a vast territory in eastern Asia; the most populous country in the world