blue bushes clouds countryside downland England english field grass Great Britain green hill landscape meadow natural nature quality sky slope South Downs summer Sussex trees animals cattle cows estuary farm forest graze hills home house mammals Mawddach peaceful river tranquil tree view wales water welsh abstract background bright close close-up closeup fresh freshness grow long macro Morning photosynthesis plant scene season spring vibrant vivid exercise footpath grasses Hampshire pasture path plants reserve Selborne track trail valley vegetation walk livestock pastoral rural sheep white domesticated feeding grazing herbivores bank bird duck gate oak placid pond Quercus Buckinghamshire fields hillside peace steep village West Wycombe afternoon autumn beauty cloud fall woodland distance distant Downs plain ridge uk united kingdom wiltshire