I lived for 10 years in the mountains of central Wales and understand completely why the concept of "thin places" is Celtic. Parts of western England and Wales provided the most unexpected spiritual experiences of my long and parapatetic life. They have made me feel suddenly 10,000 years old and part of the earth itself, bonded with the place. It was nothing I looked for actively, but somewhere deep down must have expected because it was never frightening. But it did make me melancholy about how we disregard and disrespect our beautiful earth.
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