Berwyn Mountain UFO Incident: Tremors, Lights, and Competing Explanations Discuss on | Reddit Vespera II Exploration Station with Smart Technology he Billy Meier Contacts Reports: Book 1 Billy Meier UFO Crash Retrievals: The Complete Investigation Leonard Stringfield Passport to Magonia: From Folklore to Flying Saucers Jacques Vallee Our recommendations from Amazon history.co.uk Berwyn Mountain UFO: The Welsh Roswell When the Berwyn Mountain UFO was spotted in 1974, it got local villagers talking – but could an alien spacecraft really have crash-landed in North Wales?