"notebook viewer" is the cloud marketplace iPython/Jupyter notebook integration.

I have a Markdown cell in my notebook with an image:


However, when viewed online via the "Notebook viewer" I see a broken image link icon:

Viewing the source, it seems we're trying to read the image from some notebook-viewer-specific CDN, but 404:

https://bbnbviewer.us-west-1.prod.public.atl-paas.net/data/folded-vert.jpg