Peter-Bergner-Warte, an observation tower on the Pretul, a 1656m high mountain in Styria, Austria. Built in 1964 by TVN.
<a href="//commons.wikimedia.org/wiki/User:Herzi_Pinki" title="User:Herzi Pinki">Herzi Pinki</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>