<i>Natural equilibrium</i> (1978), a sculpture by the Dutch artist <a href="//commons.wikimedia.org/wiki/Category:Jef_Depass%C3%A9" title="Category:Jef Depassé">Jef Depassé</a> (1943), located in the Stadspark in the Dutch city of Groningen.
<p><a href="//commons.wikimedia.org/wiki/User:Wutsje" title="User:Wutsje">Wutsje / Wikimedia Commons / CC-BY-SA 3.0</a>
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CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>