"COMBO" A collaborative street art animation

hope this isn't a repost, just saw it today and was amazed at the amount of work that went into this.
<object width="400" height="227"><param name="allowfullscreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="movie" value="http://vimeo.com/moogaloop.swf?clip_id=6555161&server=vimeo.com&show_title=1&show_byline=1&show_portrait=0&color=&fullscreen=1" /><embed src="http://vimeo.com/moogaloop.swf?clip_id=6555161&server=vimeo.com&show_title=1&show_byline=1&show_portrait=0&color=&fullscreen=1" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" width="400" height="227"></embed></object><p><a href="http://vimeo.com/6555161">COMBO a collaborative animation by Blu and David Ellis (2 times loop)</a> from <a href="http://vimeo.com/blu">blu</a> on <a href="http://vimeo.com">Vimeo</a>.</p>