Amsterdam gray water and sky in Autumn - a long mud barg - a ship for loose soil - is moored along the border of the wide river IJ. It is used for construction activities for the North-South metro, built under this water and under Amsterdam city. Free photo  of Fons Heijnsbroek, April 2010.
<a href="//commons.wikimedia.org/wiki/User:FotoDutch" title="User:FotoDutch">Fons Heijnsbroek</a>
<span class="int-own-work" lang="en">Own work</span>