blue cloud countryside England english farm February field Great Britain green hint landscape natural nature rural sky spring sunlight Sussex tree vegetable winter woodland 3rd Century ancient architecture Burgh Castle fort historical landmark norfolk old Remains roman stone turrets walls bay cliff coastline Cornish cornwall hillside ocean rocks sea shore surf tide water waves power block building futuristic glass height high London monolithic reflection shard skyscraper tall tower birds clouds lake peaceful reflections ripples summer swans tranquil trees view bog ducks habitat marsh plants seep Surrey tussocks wet bank Basingstoke Canal canal Hampshire river towpath travel animals domesticated hills livestock mammals meadow sheep South Downs