Paranormal Dimensions - Mark Olly: Crystal Skulls and Alien Heads

David welcomes scientific historian and researher Mark Olly back to 'Paranormal Dimensions'
for his third visit for this year for this Extra Special show where Mark talks about his book about Crystal Skulls and Alien heads.

Become a supporter of this podcast: https://www.spreaker.com/podcast/paranormal-uk-radio-network--4541473/support.