algae beach coast Great Britain green natural nature Pembrokeshire plants pool rock sand sea seaweed shore united kingdom wales water welsh beech boundary Devon England Fagus field landscape line row snow snowy tree trees uk United Kingdon winter clods earth farm furrows path ploughed Soil spring Sussex tilth track ancient architecture background brick decorative flint lines old ornamental pattern stone texture traditional wall wiltshire alone hill isolated lonely one seat single South Downs view auk beak bird cliff edge feet Fratercula arctica puffin Skomer Island webbed wings animals Balanus barnacles creature crustacea marine Mollusca mussels Myrtilus rocks sealife building colors colours facade Flags front glass Manhattan mirror modern nations New York ny poles reflection reflections UN United Nations window windows blue fields hedge hillside sky