The sky above the southern horizon glowed, as if over a city.
The skies about him were clear to the southern horizon.
He only knew that it lay beyond the southern horizon.
A new line of hills rose above the southern horizon.
By the afternoon, the fires extended right across the southern horizon.
A huge dark wall was rising across the southern horizon.
Off on the southern horizon, another darkness began to take shape.
Many weeks before the sun had slipped below the southern horizon.
The sun was low over the southern horizon when they saw the flicker of light in the window.
The captain pointed toward the line of the southern horizon.