grey skies over the rock and heather covered slopes of curbar edge, derbyshire, in summer

altostratus aquilinum august bracken britain british calluna climate clouds common curbar dark decumbens derbyshire district dull edge england english fern grass grey gritstone heath heather hope landscape ling national natural nature nimbostratus nobody outdoors outside overcast park peak people plants pteridium ridge rock rocks rural sandstone scenery sieglingia sky stone summer summertime unseasonable valley view vulgaris weather wildflower