Johnny Clasper is a artist/waller from Yorkshire who is doing some very innovative things with stone.
Take some time and look at some of his inspiraling work on his website http://www.johnnyclasper.co.uk/index.html
and on facebook
https://www.facebook.com/pages/Johnny-clasper-stonemasonsculptor/221045687947093
Swirly Path at the 2012 Harrogate Spring Flower Show