For the first time in 2011 and probably improved upon there would be spectacular laser shows in the park, that itself would be lit with led-lights changing colour. Also there were hologram-like projections of - here - dancers with loud music to accompany them.
<a href="//commons.wikimedia.org/wiki/User:Dosseman" title="User:Dosseman">Dosseman</a>
<span class="int-own-work" lang="en">Own work</span>