...such as https://projectmirador.org/embed/?iiif-content=https://textgridlab.org/1.0/iiif/manifests/textgrid:41271.0/manifest.json
We have to check them eventually: https://projectmirador.org/embed/?iiif-content=https://textgridlab.org/1.0/iiif/manifests/textgrid:2zz19.0/manifest.json