Under measures approved by local authorities, swathes of outdoor public places including beaches, municipal parks and even Times Square have become tobacco-free.

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Past these points on the island, it's a hike around rocky cliffs and through jungle paths to more secluded beaches, including Shark Point to the south and the beautifully isolated Turtle Beach to the north.

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Most of them were Mexicans, including residents from the capital and Cuernavaca who flocked to beaches a four-hour drive away.

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There are six city beaches in total, with other worthwhile spots including Gwangalli and Songjeong, with their appealing cafes and nightlife scenes.

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He has since gone on to mount an impressive list of works, including bringing the sound of the sea from the Normandy beaches to the Arc de Triomphe in Paris, and the inner vibrations of London's Millennium Bridge to London's Tate Modern.

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The turtle is the latest in a large number of sea creatures, including a 40 tonne fin whale, to be found on beaches around Wales.

BBC: NEWS | UK | Wales | South West Wales | Dead turtle washed up on beach