Otter! Otter! / China's Silver-hair Economy

＜Otter! Otter!＞ Hong Kong is home to one of 14 Otter species in the world, the Eurasia Otter. The number of Otters in the city remains in single digits and scientists are doing everything they can to keep their population healthy, despite growing urban development that threatens Otter's survival. Reporter: Esther Wu ＜China's Silver-hair Economy＞ As China's population ages, we look at how the rising Mainland Chinese elderly population is driving consumption in Hong Kong. Reporter: Li Qianqian