Public demonstration of the <a href="https://en.wikipedia.org/wiki/EKO_Cobra" class="extiw" title="en:EKO Cobra">EKO Cobra</a> during the <i>Day of Sports</i> on <a href="https://de.wikipedia.org/wiki/Heldenplatz" class="extiw" title="de:Heldenplatz">Heldenplatz</a> in <a href="https://en.wikipedia.org/wiki/Vienna" class="extiw" title="en:Vienna">Vienna</a> (<a href="https://en.wikipedia.org/wiki/Hofburg_Palace" class="extiw" title="en:Hofburg Palace">Hofburg Palace</a>/<a href="https://en.wikipedia.org/wiki/Austrian_National_Library" class="extiw" title="en:Austrian National Library">Austrian National Library</a>).
Manfred Werner - <a href="//commons.wikimedia.org/wiki/User:Tsui" title="User:Tsui">Tsui</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>