Jochenstein power plant was constructed between 1952 and 1956. The weir system is located in Austria (Engelhartszell), the powerhouse and the lockage are in Germany (Untergriesbach). Here a riveted sluice gate as it was a usual technic in the fifies of the 20th century.
<a href="//commons.wikimedia.org/wiki/User:Isiwal" title="User:Isiwal">Isiwal</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>