Steps to reproduce

Preview code at P9853 at Czech Wikipedia (reporter used https://cs.wikipedia.org/w/index.php?title=James_Ogilvy_lord_Findlater).

Expected

Image stays under headline "Karlovy vary"

Observed

Image is in multiple places of the article. See screencast at https://drive.google.com/open?id=1RCOYoVpaphDypZL1AunQMAydLjvXpiGQ.

Browser details

UA: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:70.0) Gecko/20100101 Firefox/70.0

Mediawiki details

1.35.0-wmf.8