The otherworld of Welsh mythology, known as Annwn, is said to be populated with a vast array of creatures including fairies and mottled ridged serpents.  It is also said that there is one place more than any other where the bridge between our world and theirs is at its thinnest. That place, is the Berwyn Mountains... Go to twitter@unexplainedpod, facebook.com/unexplainedpodcast or unexplainedpodcast.com for more info. Thank you for listening. See omnystudio.com/listener for privacy information.