Catchment area of the Mud river (tributary of the Main river) emphasized, and the terrain elevation (spatial resolution 35 m and elevation increments of 50 m).
<a href="//commons.wikimedia.org/wiki/User:Periphrastika" title="User:Periphrastika">Periphrastika</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>