Sean switched on the headlights, for the sun was gone and the forest darkening.

He stared at her unbelievingly, the forest darkening behind him as the clouds thickened.

As the green forest darkens at dusk.

The forest rippled and darkened before him.

The forest had darkened long before the sun set.

They ate dinner as the forest darkened, then banked up the fire.

The forest darkened and the path narrowed until it was a vague ribbon through the gloom.

The forest darkened quickly, however, and Hunter realized that he could not continue tracking MC 6 for long.

As the forest darkens, Hansel and Gretel become scared, and think they see something coming closer.

The swath that was the main access was light, but the forest on either side darkened rapidly into gloom.