Rio San Juan

　Many sources state that civil engineering work to change the course of the San Juan River was carried out shortly after 100 AD. Unfortunately, no accurate maps have been published. Combining the descriptions, we can deduce that it was as follows:

　Indeed, the dark blue river channel doesn't fit into the grid city plan of the Streets of the Dead. It would require many bridges. It was an important river at the time, and water must have flowed freely.

　↑↑View of the bridge from the Street of the Dead side.

　↑↑Looking down and downstream from the bridge.