We were contacted by the national trust in march 2011 to see if we could help them with a problem , they had an area of grazed fenland which was part of the great fen vision project that they had to keep cattle on throughout most of the year to maintain the habitat, the problem was that the wet ditches that the cattle rely on for drinking water run dry in the summer months meaning that water had to be tankered in from several miles away on a daily basis to fill the drinking troughs , this tied up man power , fuel , machinery and meant that the wear to the narrow access track would be increased . The answer was to