Lamborghini unveiled the rolling chassis of the new V12-engined Aventador super car to be launched at next week's Geneva Motor Show at a TechDay event with Audi. Carbon fiber! V12 engine! Stupore!

We've already seen the beating heart of the new Lamborghini Aventador. We've even seen it filmed in camo from every angle. Now Lamborghini is showing off the intensive application of carbon-fiber materials that form the key foundation for the extreme dynamics and less emissions that will define its future super sports cars. The new V12 Aventador, set to debut at the 2011 Geneva Motor Show, is based on a full monocoque construction made from carbon-fiber technology. And here's what it looks like.