The air was dank and cold and presently obscene with the smell of bats, and alive with their wings, as they came sweeping about us, gibbering and squeaking. I thought of the rush of the ghosts, blown like dead leaves in the Odyssey. And then a small rock chamber branched off, and in this, lit by a bit of burning wood, we saw the bones of a holy man who lived and died there four hundred years ago.