DENVER
03/18/2010 05:12 am ET | Updated May 25, 2011

'South Park' creators build eco-friendly mansion near Steamboat Springs

'South Park' creators build eco-friendly mansion near Steamboat Springs
Staff Writer
STEAMBOAT SPRINGS, Colo. (AP) - They killed Kenny but not too many trees.
The creators of "South Park" are showing off their environmentally friendly mansion in western Colorado. The $5 million Steamboat Springs home belonging to Trey