See the video on the Ogham Alphabet of the anceint Irish Druids and the spiritual energy of the yew tree:
https://www.youtube.com/watch?v=VK_vWlmNFHY
See also the worldwide course website:
www.druidforestschool.com
The Ogham is a mystical and spiritual system of the ancient Irish Druids that links most especially to the sacred energy of trees. Enrol on this visionary, healing and empowering worldwide course with Michael Conneely