We stopped to photograph them on our Reykjavik Excursions evening tour to Geysir and Gulfoss. They were very friendly and came to see us.
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/61417318@N00">Vestman</a>
CC BY 2.0
originally posted to <b><a href="//commons.wikimedia.org/wiki/Flickr" class="mw-redirect" title="Flickr">Flickr</a></b> as <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/61417318@N00/3980334785">Horses in the Rain</a>