Aerial view of the island Heligoland: the white border marks the "Lummenfelsen der Insel Helgoland" nature reserve; at the bottom left is the "Lange Anna" stack.
<a rel="nofollow" class="external text" href="http://www.louis-stahl.de">Louis-F. Stahl</a>
CC BY-SA 3.0 de
<p><span class="int-own-work" lang="en">Own work</span> (Louis-F. Stahl, <small>cropped and edited by <a href="//commons.wikimedia.org/wiki/User:Holger1959" title="User:Holger1959">Holger1959</a></small>)
</p>
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