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Link to newsround

How 'lucky coin' tradition is damaging the Giant's Causeway

Have you heard of the Giant's Causeway?

It is one of North Ireland's most famous landmarks and it attracts hundreds of thousands of visitors every year.

But, It's facing a big problem...

For good luck, people are pushing coins in to the cracks in the ancient basalt stones rocks which is causing issues for the conservation of the world heritage site.

BBC Reporter, Sarah Gervin, has been finding out more.