Home | Multimedia Part 5: How Black is the Dragon? A river that was once a primary source of drinking water for Hong Kong has become so polluted that it is now nicknamed “Black Dragon River.” 2011-08-18 Tweet Print Share Comment Email Disappearing River CH. 1: MANDARIN | CANTONESE CH. 2: VIETNAMESE | BURMESE | KOREAN CH. 3: KHMER | LAO | UYGHUR CH. 4: TIBETAN China Reclaims Land, Fortifies Coast of South China Sea Island Base to Prevent Erosion China Moves Towards Nationalization With Probe Into Alibaba Book by Uyghur Retiree Details Two Grim Years in Xinjiang Internment Camp China Threatens US With 'Counterstrike' After Pompeo Removes Taiwan Curbs Japan Becomes Latest Nation to Contest Beijing’s Claims in the South China Sea Carrie Lam Targets Hong Kong's Youth With Changes to Education, Job Scheme Editor's Pick A Reporter Looks Back: Hong Kong's Martin Lee in 2021 China's Energy Flows Strained by COVID, Record Cold China's Energy Risk Rises Despite Oil Output Growth