One side of the fence that surrounds the rock cairns. The barbed wire is magnetized due to the high voltage power lines overhead.

This is the road leading to the rock cairns.

This shows a small section of the cairn field, with five piles readily visible.

This is a closer look at one of the piles.

This is another close up look at a pile.

This image shows three piles. As far as I know, no one knows why these piles were made, nor when.