photo of a view of two large liquid manure silos in the agriculture landscape of Laaghalerveen, the North-Netherlands; photo by Fons Heijnsbroek, Spring of 2012
<a href="//commons.wikimedia.org/wiki/User:FotoDutch" title="User:FotoDutch">Fons Heijnsbroek</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>