"The Turning of the Tide" by Charles Dana Gibson, a humorous illustration published in his collection <i>Americans</i> (1900).  The couple is a little too deeply preoccupied to pay attention to minor distractions (notice their straw boater hats at right).
<bdi><a href="https://en.wikipedia.org/wiki/en:Charles_Dana_Gibson" class="extiw" title="w:en:Charles Dana Gibson"><span title="American artist and illustrator (1867-1944)">Charles Dana Gibson</span></a>
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1900
Charles Dana Gibson collection <i>Americans</i>, originally published 1900