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chromium/third_party/blink/web_tests/fast/multicol/paginate-block-replaced.html 

<!DOCTYPE html>
<div style="-webkit-columns:2; -webkit-column-gap:0; column-fill:auto; width:40em; height:21em; line-height:2em;">
    First column<br>
    First column<br>
    First column<br>
    First column<br>
    <img style="display:block; width:100%; height:14em; background:green;">
    Second column<br>
    Second column<br>
    Second column<br>
</div>