Since it is about 3,000 square miles, Death Valley is larger than any construction project ever. It is a natural feature.
natural
Natural.
natural features
it is not 100 man made it is 100 natural feature
was death valley man made
No it is not man made.
It is natural but there are man-made imitations.
The Man from Death Valley - 1931 is rated/received certificates of: UK:U USA:Passed (National Board of Review)
It can be made from natural or man made fibres.
natural feature
Is limestone natural or man made
Man-made and Natural Resources
it is all natural