background Corylus England english Great Britain green hazel leaf leaves natural nature spring sunlight texture tree bay breakwater coast groyne incoming kent sea shallow shore summer tide water wave algae beach landscape low rockpool seaweed cattle cow Devon feed grass graze meadow pasture river autumn countryside fall hedge lane road rural Sussex track trees verge bridge footbridge forest ghyll stream Surrey winter wooden woodland arc architecture curved elements historical light old shadow steps stone worn buildings coastal development homes houses modern comfrey flowers herb medicinal plant Symphytum officinale