As called by Sarah Purcell of the popular 70's TV series "Real People"
"Bring me a rock from your part of the world, and I'll put it in my castle walls.", Sire Harry would tell visitors as he broke from the toils to show them around. Donated rocks were all "faced" into the walls and it's origin labled.
While he carried more than two million rocks from the near by river, there are rocks from throughout the world, even one from another planet!
PHOTO circa 1989 - North Wing, Chapel Photographer, Unknown