White Sea–Baltic Canal waterway length is , of which are man-made. The current flows north from Lake Onega to the White Sea, and all navigation marks are set according to it. Once in Lake Onega, ships can exit the southwest shore through the Svir River (and its two locks) to reach Lake Ladoga and then proceed down the Neva River to Saint Petersburg and the Baltic Sea. Alternatively, from Lake Onega river ships can sail eastward into the Volga–Baltic Waterway. The canal begins near Povenets settlement in Povenets bay of Lake Onega. After Povenets there are seven locks close together, forming the "Stairs
Port Phillip Geelong at Corio Bay in 1838. Today Port Phillip is the most densely populated catchment in Australia with an estimated 4.5 million people living around the bay; Melbourne's suburbs extend around much of the northern and eastern shorelines, and the city of Geelong sprawls around Corio Bay, in the port's western arm. Port Phillip Bay formed between the end of the last Ice Age around 8000 BCE and around 6000 BCE, when the sea-level rose to drown what was then the lower reaches of the Yarra River, vast river plains, wetlands and lakes. The Yarra and other tributaries flowed down