The eastern entrance to a canal tunnel has been reclaimed by nature after several decades.
A kilometre-long canal tunnel was dug at the end of the nineteenth century to allow larger ships to sail on the canal.
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On the occasion of International Art Nouveau Day, celebrated each year on June 10, a look at how this ornate architectural movement found its way into the most unlikely of places like coal mines, power stations, and railway yards and the long, sometimes heartbreaking battles to save what remains.
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