珠江水系的几条干流,西江、北江、东江以及潭江、流溪河,到了下游,相互沟通而又各自保持独立,形成了河汊纵横的复合三角洲,最后分为八个口门流入南海。这八个口门成半月形排列,从东到西,有虎门、焦门、洪奇沥、横门、磨刀门、鸡啼门、虎跳门和崖门,横跨广东省南部的六个县市。 Several mainstreams of the Pearl River system, the Xijiang River, the Beijiang River, the Dongjiang River, the Tanjiang River and the Liuxi River have reached the lower reaches and communicate with each other and each has its own independence. As a result, a compound delta with vertical and horizontal rivers and rivers flows into the South China Sea. The eight door into a half-moon-shaped arrangement, from east to west, there are Humen, Jiao Men, Hongqi Lek, Wang Men, Modao Men, Jitun door, tiger jump door and Yamen, across southern Guangdong six Counties and cities.