The classic car industry is worth more than $20 billion and attracts wealthy enthusiasts around the world. So why are these cars so expensive, and are they good investments? CNBC's Timothyna Duncan reports on what happens inside this exclusive community. ----- Subscribe to us on YouTube: http://cnb.cx/2wuoARM Subscribe to CNBC International TV on YouTube: https://cnb.cx/2NGytpz Like our Facebook page: https://www.facebook.com/cnbcinternational Follow us on Instagram: https://www.instagram.com/cnbcinternational/ Follow us on Twitter: https://twitter.com/CNBCi #CNBC #ClassicCars #Cars