Images some times not showing using st.markdown()

Dear community,
I have the following code to show an image via a url using st.markdown
Some links seem to work and others do not, I sincerely hope that you guys have an explanation for that.
Here is an example of a link that works:

And a link that doesn’t work:

Thanks for helping out,

The links seem to work in here but not in streamlit itself

oops wrong part of the forum

I fixed the issue, apparently I needed to click on every link (visit).