1.  Black fragments of tombs rose up on either side of the road, silhouetted against the still not quite dark sky.

2.  But we must go further and when men speak of dark skies, we must think of our own bright interior skies.

3.  Fireworks burst up into the dark sky, then fizz to nothing.

4.  Fireworks burst up into the dark sky.

5.  He stood against them, watching the dark western sky and the ash-blue cumulus now edged with brilliant white.

6.  Orange-red flames pierced the dark sky.

7.  The dark sky had forced an eerie light on to the buildings, causing colours to jump out in sharp relief.

8.  Birds circled in the dark sky.

9.  A small black shadow appeared at the window, outlined against the dark blue evening sky.