What's this structure for?

As you know, Aviatortom's being doing a series on the purpose of famous structures. This question follows in the same spirit.

This structure was recently built in Llandudno, North Wales, a seaside town famous for it's links to Alice in Wonderland and having a population of wild goats. It was once a thriving resort but not anymore.

The structure was ridiculed in the press and by local residents with one man noting "it's going to confuse the f*** out of a guide dog." But does it confused you? What's the purpose of the structure?
Whats this structure for?
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Correct answer is a sea defence wall to stop flooding during storms.
What's this structure for?
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