16-year-old Jack Bellis, who courted controversy when he walked over the top of the Blue Bridge in Rhyl tells ITV News he doesn't plan to do it again.
He says he's taught himself free-running and the urban sport Parkour, and wants to become a stuntman.
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The Cardiff Embankment scheme will stretch from the city centre down Dumballs Road to The Bay. The plans go before the council this week.