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Tourists in Thailand are leaving so much rubbish on the beaches that authorities have introduced a smoking ban, along with a hefty fine and one year's prison sentence if you're caught doing it.

But help is also at hand in the shape of a locally-designed beach robot which combs the beach, sifting the sand and collecting all the rubbish.

Â鶹Éç Travel Show's Carmen Roberts took the controls and did her bit for the environment.