The entrance to the castle was bustling with horse-drawn carts, loaded with goods, coming and going in an endless stream. In the courtyard, hundreds of women were busy working, creating a lively scene unlike anything Pablo and Diego had ever seen in other castles.

After explaining their purpose to the castle guards, they waited at the gate for a while before being led inside by a servant.

As soon as they entered the castle, they noticed something different about this place.

"It’s so clean here," Diego whispered in amazement to Pablo as they followed the servant down the corridor. "Do you smell that? There’s even a fragrance."

As members of...