Mystery Photo Challenge
Question: This is a recent photo of a wire sculpture of a horse and tramway truck. It commemorates the temporary tramway over a hill, which was used for several years until the broad-beam canal tunnel through the hill was completed in 1805. Which tunnel?
Scroll down to submit your answer. Names of those that correctly worked out the answer will be announced when the next Bulletin is issued.
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See answer to previous mystery challenge and the mystery photo archive.