http://blog.wired.com/geekdad/2007/10/olafur-eliasson.html
(also http://www.lego.com/eng/info/default.asp?page=pressdetail&contentid=16016&countrycode=2057&yearcode=2005&archive=true)
Some Danish artist dude makes a habit of donating literally tons of LEGOs to communities to let their kids go wild and build their own cities. Amazing pictures…