
1) Digital medium
Found on
https://www.crosswordclues.com/clue/britglyph

Britglyph was a collaborative locative art and Geoglyph project created by Alfie Dennen for ShoZu which took place between December 2008 and March 2009. Participants were instructed to travel to specific locations across the United Kingdom with a rock or stone taken from near where they live. Once at the designated spot, the participants would cap...
Found on
http://en.wikipedia.org/wiki/Britglyph
No exact match found.