They also provided a natural connection with important inland-waterways network, but nowadays they have proved to be bottlenecks for the passage of large ships.
Baphinde banikezela ngoqhagamshelano lwendalo olunothungelwano olubalulekileyo lweendlela zamanzi emhlabeni kodwa kule mihla baqinisekise ukuba zintamo zebhotile kohola benqanawa ezinkulu.