Image references acting up

[Shloimele]

This is an odd one and probably nothing to do with Relearn, but anyway...
I have a documentation site which has all been in English. I have now created a set of .md files in Spanish, for one of the documented products. So all my content files for that product have now been renamed with either ...en.md or ...es.md.
I used a Google translate extension in VS Code to translate the es files and fixed the bits where it translated some markdown commands. All image references remain untouched. However, while the English files render the images as expected, the Spanish files, using exactly the same references and sitting in exactly the same directories, can't reference the images at all.
I've been tearing out what little hair I have so please please please can someone suggest what may be going on here?

[McShelby]

This is a Hugo question. You may get some answers in the Hugo docs

[Shloimele]

I looked in the HUGO Multilingual documentation and found there's a config option under [markup.goldmark] to duplicate resources (duplicateResourceFiles = true) for shared page resources (which is what I evidently have!). Expensive, but it works!

Thanks Sören.