Rare photo of Richard Stallman before the neckbeard, dancing with Lisp Machine

So this seems like the appropriate thread to link a series of illustrations of sorting and searching algorithms illustrated with and by Hungarian Folk Dancers <a href="http://algo-rythmics.ms.sapientia.ro/" rel="nofollow">http:&#x2F;&#x2F;algo-rythmics.ms.sapientia.ro&#x2F;</a>