Paul Niel and Esther Röling celebrate upon arriving at Siu Sai Wan, Chai Wan, on Sunday. Photo: Tessa Chan

Couple successfully circle Hong Kong Island coastline, putting its polluted areas on the map

First people ever to climb, swim and scramble their way around recall the beauty and pollution they encountered

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Paul Niel and Esther Röling celebrate upon arriving at Siu Sai Wan, Chai Wan, on Sunday. Photo: Tessa Chan
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