Mysterious Longyou Caves in China

Episode #6: How were the Longyou Caves in China built several thousands of years ago and who created them? Were they Extraterrestrials or perhaps an Ancient Civilisation that once walked the Earth? Not only are these caves massive and magnificent, they are an absolute mystery.  Dive deep into the caves with host Pat Lee and special guest Tony Jaw as they explain their personal experience in travelling to the actual site.