ANDY DAVIES / SCIENCE PHOTO LIBRARY ANDY DAVIES / SCIENCE PHOTO LIBRARY
Hand crushing a small fragment of sulfur found in the soil. The sulfur has been added to the soil deliberately to acidify it, to help restore the natural habitat after years of agriculture destroyed the original acidic coastal heathland environment. Filmed at Trehill Farm, Marloes, Pembrokeshire, Wales, UK.
Model release not required. Property release not required.