Donaukanal
…city of Vienna, Austria. It is 17.3 kilometres (10.7 mi) long and, unlike the Danube itself, it borders Vienna's city centre, Innere Stadt, where the Wien River (Wienfluss) flows into it. The Donaukanal bifurcates from the main river at the Nußdorf weir and lock complex, in Döbling, and joins it again just…