Adding windows, battlements and stair to middle towers
More windows and a stair on west side of middle two towers
Stonework and window above stair on middle battlement rectangular tower
Large stonework below stair
View from east showing circular stair, round battlements and east windows on north tower
More carving on bridge to south tower
Very large stones and battlements below bridge to south tower
Stairs, fine stonework, windows and larger stonework added to south tower
Castle from the east
West side showing stairways and a new door on south tower to accomodate its stair down (see 2 pictures above)