We hung a pulley on a beam fixed to project from the top of the cliff.

We found the great slab of rock, which formed the door, placed clumsily in its place and secured by a few stones.

Its own weight kept it in safe position.

In order to enter, we had to push it in; and we passed over it.

We found the great coil of chain which Van Huyn had described fastened into the rock.