How to: click on a sequence number, see the sentence and the river, and see on the map the river highlighted.
What is this: I was reading Caesar's Gallic Wars. I noticed that his mental geography is highly linked to the rivers, and at the same time, that my knowledge of French rivers was very poor. So I asked ChatGPT agent to create a gazetteer, which would allow me, as I came across a sentence in the book, to see straight away that river. The sentences are in the order found in the book.