Surfer
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Ricky tries out world's longest man-made surf waves

11 August 2015 Last updated at 07:40 BST

Ricky's been to north Wales to try out the world's longest man-made surf waves.

New technology means three-metre-high waves can be created in an instant.

It's all at a giant man-made lake, three times the size of Wembley Stadium, in the Welsh mountains.

Watch how Ricky got on...