We met Manuel in front of the towers and he told us about his findings. As we thought, the book reflected the goods brought from America that were traded in Valencia. In the middle of the book, he found a letter to a merchant, signed by César B., in which the author demanded the payment of a certain toll to be able to sell the merchandise in the city. He “invited” him to pass through the Serranos towers to proceed with the payment, putting him under threat of death if he did not do so.
The letter also spoke of a room inside the tower where such payments were made; perhaps, the Borgia’s secret room was located here and we have solved the mystery that for so many years has maintained its validity.
Entering the towers was not going to be so easy: we tried to sneak in, but the guard stopped us. To continue we needed the password, but what would it be? The only thing the guard told us was that if we didn’t know the password, we were going to go back to the Middle Ages in the same way that people stayed outside the towers after curfew. At those times, they couldn’t get in and had to sleep outside.
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*The key must be written in English, all lowercase and without accent.