Duncton Hill England english fields grass Great Britain green hills landscape meadow nature panorama pastoral peace South Downs spring Sussex trees woodland cloud countryside crop farm field hill natural rural sky summer united kingdom view animal black contented cow hillside mammal peaceful white crosswort Cruciata laevipes flowers plants valley wild yellow cold fence light snow snowy sunlight track uk winter Argynnis aglaja butterfly dark green feed fritillary insect Lepidoptera pattern rest wing autumn berries berry bush leaf leaves poisonous red shrub Viburnum Wayfaring tree clouds Weald alone ancient floods lonely old one single tree