<p>A curious pup approaches this photographer's lens for a nose closeup. Volunteer dog handlers help exercise dogs at checkpoints to keep their energy and spirit up.
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NPS / DevDharm Khalsa
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/75182224@N04">National Park Service, Alaska Region</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/alaskanps/26476807743/">2016 Yukon Quest in Yukon-Charley - Slaven's Roadhouse</a>