"The cover must not be set if: ... Several images appear in the article one after another. In this case, the template should not break the sequence by extracting one of them as a cover (example)."
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Several images appear in the article one after another. In this case, the template should not break the sequence by extracting one of them as a cover (example)."
https://instantview.telegram.org/checklist#6-2-2-cover-images