Tubes of OPAL pipeline at the Juchhöh near Weißenborn. Stitched from two images with hugin.
<a href="//commons.wikimedia.org/wiki/User:Malenki" title="User:Malenki">malenki</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>