ancient arch architecture building decorative door elements England english Great Britain guildhall hall historical landmark London mediaeval medieval old ornamentation ornate pillars stone windows carvings dragons flagpole towers attraction battlement castle defence defend defensive power protection royal secure security stronghold tourism tourist turret uk Windsor Blickling brick estate home house leaded glass manor mansion national trust norfolk stately vine bench tiles chimneys art backdrop construction dramatic frame installation line Nymans path preparation prepare row series slope Sussex trees view white buttress chapel christian church gargoyle religion religious statue tower wall window