Been sitting on this one for a while. The hydraulic hypothesis doesn't get nearly enough serious attention - most people jump straight to the alien runway stuff and completely skip past the fact that the Nazca plateau had a serious water problem.
What's interesting to me is how several of the lines actually track directly above underground puquios (those ancient spiral aqueducts). That's not coincidence is it. You don't just accidentally draw 50-mile geoglyphs that happen to follow subsurface water channels.
The question I keep coming back to is whether the lines were functional markers for locating water sources, or whether they had some ritual/ceremonial purpose that was tied to water worship. Could easily be both obviously.
Has anyone looked into the ley line correlations here? Because some of the longer Nazca lines align in ways that remind me a lot of what we see with European ley systems, and those have their own complicated relationship with ancient water sources. Wondering if anyone here has done any proper comparative analysis or knows of researchers working on the hydraulic angle specifically?