Built in 1863-1864 by the Kingdom of Prussia.<br><p>It is located exactly on the border between the municipalities Stavelot and Malmedy.<br></p>
With the Treaty of Versailles of 1920, the border line lost its right to exist.
<a href="//commons.wikimedia.org/wiki/User:LeFagnard" title="User:LeFagnard">LeFagnard</a>
<span class="int-own-work" lang="en">Own work</span>