which Four Diamond luxury hotel  hold The 2012 Evolution Championship Series fighting game event 
Evo 2012: The 2012 Evolution Championship Series (commonly referred to as Evo 2012 or EVO 2012) was a fighting game event held at Caesars Palace, Las Vegas on July 6–8. Caesars Palace: Caesars Palace is a AAA Four Diamond luxury hotel and casino in Paradise, Nevada, United States.
Caesars Palace