Soon the horizon would begin to lighten in the east as the sun rolled back the darkness for another day.
I went inside when the horizon began to crack and got a couple of hours of bad sleep.
The horizon of this vast and fecund earth began to curve.
Later, as dusk fell, the western horizon began to glitter.
The camp vanished behind; the horizon ahead began to swell into a range of green hills.
The western horizon was beginning to swallow the glowing ball of the setting sun.
Then the horizon ahead began to show squat black shapes.
After he got a taste of the kind of power the Church could put into a man's hands, however, his horizons began to expand.
At his speed, the western horizon had begun to show a dark line which betokened land.
The eastern horizon was already beginning to glow with the approach of dawn.