A <b><a href="//commons.wikimedia.org/wiki/Category:Glacial_lakes" title="Category:Glacial lakes">Glacial lake</a></b>.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/44939325@N02">Maarten Visser</a> from Capelle aan den IJssel, Nederland
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/44939325@N02/8580947624/">Glacier lake</a>