About 100 incidents of visitors catching sea cucumbers and digging up sea snails and clams were recorded at a popular spot in Hong Kong’s Unesco-listed geopark on a single day of the National Day “golden week”, a green group has found, following similar incidents last year. The Po Pin Chau section of the High Island Geo Trail in Sai Kung was also strewn with rubbish on a separate day, Greenpeace said on Tuesday. At nearby Long Ke Beach, the group recorded nearly 90 instances of environmentally...