<a href="https://en.wikipedia.org/wiki/Great_Falls_(Potomac_River)" class="extiw" title="en:Great Falls (Potomac River)">Great Falls of Potomac River</a>: Multi-exposure photograph of two kayaks navigating the rapids.
<a href="//commons.wikimedia.org/wiki/User:Jarekt" title="User:Jarekt">Jarek Tuszyński</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>