A Druid Rite in a remote French field?

So it seemed on a woodland walk with a mist
flowing into the hollows. Above such a scene
fields opened into view revealing what at first
seemed to be a gathering of some religious order.
A silent procession had halted for some reason.
Such reason remained unknown as closer inspection
and enquiry confirmed it was the work of a landscape
artist. It will be there all summer to surprise visitors
in Camors near Baud in Brittany.