cloud downland England english field Great Britain green landscape meadow natural nature plants sky South Downs spring Sussex view animal distance distant farm graze grazing hill horse mammal snow space white winter countryside peace rural summer tranquil woodland panorama crop quality verge wheat blue cloud formations clouds cumulus clouds formation skyscape cowslips flowers hillside Primula veris Primulaceae wild yellow Apiaceae flowerhead pattern petals umbellifer Umbelliferae drift grass peaceful Anacamptis pyramidalis flower orchid orchidaceae purple pyramidal spike