Lives at risk
Some of them drop litter and don't keep to the flagged areas of the beach, some even ignore the lifeguards.
They put their own lives and other people's lives at risk.
In the water the adults from outside the area tell young local surfers where to go, they send you to a rubbish wave while they ride the best ones.
Some people say that travelling surfers bring a lot of money into Cornwall, and that's true but I think they still should behave themselves."
John, 15, Cornwall
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