The sky in space was very black, he said, with a thin band of blue along the horizon.
The shore was a long way off, a shadow along the horizon.
A line of dark clouds was building along the horizon.
At last, far ahead, there was a blaze of light along the horizon.
It moved along the horizon to the left and rear.
He glanced to the north and saw dark clouds along the horizon.
The Roman was a small figure in the distance, walking along the horizon.
He looked east but there was no sign of dawn along the horizon.
It moved along the horizon and very slowly grew higher.
The African coast lay low and blue along the horizon.