in the inner court only the exposed foundations remain of most of the castle buildings, along with the shells of the south-west and south-east towers. for example, the total operational staff at a solar plant that is spread over hundreds of acres is less than 10, and the cleaning staff would number another 20-30 persons. the only drinking fountains were outside, fed by pipes laid on top of the ground, so that the water was usually too hot to drink. louis also ruled that she was to pay 160,000 marks to charles over the following 13 years. 