Built in 1837 by the Kingdom of Prussia.<br><p>It is located exactly on the border between the municipalities Jalhay, Waimes and Baelen.<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">Marc Herff</a>
<span class="int-own-work" lang="en">Own work</span>