Dr. Thomas Holtz of the Univ. of Maryland presents at Balticon 50 on May 30, 2016 his talk about paranormal concepts on the nature of our planet.
Earth mysteries, weird locations, anomalous phenomena
Dr. Thomas Holtz of the Univ. of Maryland presents at Balticon 50 on May 30, 2016 his talk about paranormal concepts on the nature of our planet.