He rose to stand, looking up at the small round hole in the cave roof above us.

They would continue doing this until the cave roof was honeycombed with holes.

He scrambled back, scraped his scalp on the cave roof.

The hole got its name after the cave roof collapsed.

He chose a platform over a cave roof to spawn, and 13 days later his female produced 20 fry.

I lay awake and watched the patterns of water reflections on the cave roof.

I looked back at the cave roof: the dappling had vanished.

The structure broke away from its hold on the cave roof.

There had been a collapse of a cave roof that sealed off the portion he was interested in.

A severe quake could bring the cave roof down on everyone working in the area.