Primary rainbow with supernumeraries<br>rainbow01
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/39308428@N00">Adam Smith</a> from Corona, CA, USA
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/39308428@N00/28961492">Flickr</a>