【明報專訊】The longest river in China — the Yangtze (or Chang Jiang 長江) is not only the cradle of ancient Chinese civilisation, but also the home of rare and precious wildlife such as Chinese alligators (揚子鱷). Chinese alligators are historically associated with the mythical Chinese dragon. Some local people still call them 'Tu Long' (土龍), which means 'earth dragon'.