human
Compose a short description of a eerie scene outside of a swamp with a stone structure.
assistant
A dense layer of brackish green fog is buoyed upon the air, constantly stagnating at eye-level. The noxious stench emanating from the gasses is nearly too much to bear, and pockets of fresh air are slim and infrequent. Stretching from the northeast to the southwest, a large stone structure serves as a landmark to this uncharted path, beckoning loiterers onward.