However, numerous Aboriginal stone tools were found in Western Sydney's gravel sediments that were dated from 45,000 to 50,000 years BP, which would indicate that there was human settlement in Sydney earlier than thought.
然而，人们在西悉尼的砾石沉积物中发现了大量可追溯到 45000 至 50000 年前的原始石器工具，这表明，悉尼有人类定居的时间点比我们想象中的要早。