It's unclear that the river in the article is a river in the conventional sense, either: it seems to be routed underground for long stretches of tunnel at point

It's unclear that the river in the article is a river in the conventional sense, either: it seems to be routed underground for long stretches of tunnel at points. (The longest tunnel in the world is also a water tunnel, and supplies NYC with water[1].) [1]: https://en.wikipedia.org/wiki/Delaware_Aqueduct https://en.wikipedia.org/wiki/Delaware_Aqueduct