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