Example: https://www.foreignaffairs.com/articles/united-states/2017-01-20/jacksonian-revolt?cid=%3Fcid%3Demc-paywall_free-the_jacksonian_revolt-013017

The HTML is of this style:
<figure style="background-image: url('...');">
</figure>

Note that inside the <figure>, there's no <img> elements inside.