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Click here to follow the trail. Llywernog Lead and Silver Mine. National Show Caves - Dan yr Ogof. The Evolution of Wales Gallery. The rich geological and industrial legacy of Wales has given us a huge open-air museum waiting to be explored. This trail of the top 12 underground sites in Wales takes you on a journey into the very heart of our geological and industrial past. If you want to learn more about rocks and minerals, to se.
Dewis iaith Please select your language. Your language choice will be saved to this computer, If you have an account you can log in and save this default in your profile. Explore the University of Wales. Centre for Advanced Welsh and Celtic Studies. Resource 95 5 1 not found.
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