Mirror Balls Over The Netherlands

I recently wrote about laser audience scanning in the US, but we have nothing on the Trance Energy "trance festival" promoted by ID&T on April 3 in Utrecht.  Holy crap:

I couldn't find any videos of the scene above, but I did find this:

Many more excellent photos here, and checking now to see if my Dutch friends worked on this. Thanks to Jelmer de Jong for posting this on the Pro Sound Web.