Reducing the platform by one outer ring of square stones, he turned.

They were formed of great square stones cunningly fitted together.

Now the small, almost square stone was a deep and glittering green!

If a square stone is being cut, only 0, 16, 32 and 48 would be used.

Finally they meet a very old man who tells them of how his father once came into possession of square stones similar to their own.

The basic building material was square and raw stone.

"We are looking for a place where the square stones come from."

He pointed at a square stone set to one side within the circle.

For more than two hundred years the grave was marked by a small square stone with the single letter P and the date 1736.

Behind it there was a wall of square white stones.