Sections of the passages made me feel a right muppet trying to squeeze along with a ruck sack on my back. Others - there are apparently at least 4 miles in total so far discovered - only of sufficient width for children.
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Image Credit: Robert Gladstone
Posted by GLADMAN
27th October 2014ce |
NB: Unless otherwise stated, this image is protected under the copyright of the original poster and may not be re-used without permission.
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