Old Tin Mines

Tin mine, Cambourne. By Chris Gornell from London, UK
(Tin mineUploaded by Magnus Manske) [CC BY-SA 2.0], via Wikimedia Commons

Old Tin mine west of St Agnes
cc-by-sa/2.0 - © john spivey - geograph.org.uk/p/31152

Blue Hills Tin Mine
cc-by-sa/2.0 - © Gary Rogers - geograph.org.uk/p/1993921

We've already seen the Engine house at Blue Hills and our very own Cornish Engine House, here are some more images of these structures in their natural habitats.