At one time it was a very miserable valley, a swampland conducive only to breeding malarial mosquitoes.
The valley is a barren desert inhospitable to only the heartiest of lifeforms.
mnli hypothesis: The valley is a barren desert inhospitable to only the heartiest of lifeforms. premise: At one time it was a very miserable valley, a swampland conducive only to breeding malarial mosquitoes.