abstract art beautiful blue cartoonish colours Edenic environment fantasy flowers fun graphic green horizon landscape natural environment nature orange painting pink pretty purple rainbow colours red river Rolling Hills spring summer surreal visual arts yellow bankmast boat clustered crowded dinghy England estuary fitful foreshore Great Britain Hampshire harbour marina marine maritime mood moody mudflat packed pole post storm stormy sunlight transport water weather yacht yachting beauty clouds crook field fields grass greenery hills lancashire land lune meander national of park reflection scene scenery sky spot surface trees trust uk valley autumn botany bridge calm dream fall Farewell flood forest leaf leaves lonely mystery outdoor relaxing ripples seasonal serenity silence tree walking wet wood