The shepherds responsible for the sheep art I featured earlier (i.e., Sheep + LEDs - Mona Lisa, Fireworks, etc.") explain how it was done. Via the BBC:
More like this
Were the makers of that sheepherding-art video I put in an earlier post (and further below in this post as well) pull
Apparently, homosexuality is a sensitive subject.
Thank you for posting this! A marvelous, marvelous group that did this for us. My husband didn't think this was possible (and maybe still doesn't) but I did point out that the WORLD sheepdog trials are in Wales...