Bounded by the natural contours of rivers, paths, roads, hills, ditches, and embankments, these figures were intended to represent the 12 signs of the zodiac. She wrote the book "Glastonbury, the Star Temple", in which she tried to combine the symbolism of these huge figures with the story of the Grail and the legend of King Arthur. The Glastonbury Zodiac, as old as the hills and rivers that make up its outline, stretches over an area 10 miles across.
