Also, well worth bearing in mind that these chalk drawings are ancient sites that are vulnerable to damage.
Even when Trinny and Suzannah had permission to do their stunt, and were guided by the archeological society on how to do it, the story run in the media was how the pagans were pissed off by it.
An ITV spokeswoman said the channel had gained full permission for the temporary transformation, and insisted the views of protestors were reflected in the programme
"The utmost care was taken to protect this historical site and representatives from the Archeological Society oversaw the filming. The figure itself was not permanently changed or affected in any way," she said.
Also, when Greenpeace did a stunt involving writing on the sand at the Nazca lines, they were quite rightly condemned.
Not saying these things as I think it shouldn't be done, I think it's a fantastic idea.
Just that it's good to be sensitive to this stuff.