Vintage mahogany motorboats by the Fluvial Station on the Tigre River Canal, Tigre, Buenos Aires Province, Argentina, South America

Vintage mahogany motorboats by the Fluvial Station on the Tigre River Canal, Tigre, Buenos Aires Province, Argentina, South America

Aerial picture, Wesel-Datteln canal, Lippe, Huenxe, North Rhine-Westphalia, Germany, Europe

Cargo boat on the Main river, Karlstadt, Main-Franconia region, Lower Franconia, Franconia, Bavaria, Germany, Europe

Cargo boat on the Main river, Karlstadt, Main-Franconia region, Lower Franconia, Franconia, Bavaria, Germany, Europe

Car ferry from Niederheimbach, Rhineland-Palatinate, to Lorch on the other side of the Rhine River, UNESCO World Heritage Cultural Landscape Upper Middle Rhine Valley, Hesse, Germany, Europe

Aerial photo, Emscher River, freighter, Emscher Dueker, Henrichenburg, Rhine-Herne Canal, Castrop-Rauxel, Ruhr area, North Rhine-Westphalia, Germany, Europe

Aerial photo, Emscher River, Emscher Dueker, Henrichenburg, Rhine-Herne Canal, Castrop-Rauxel, Ruhr area, North Rhine-Westphalia, Germany, Europe

Cargo ship on the Dortmund-Ems Canal, Muensterland region, North Rhine-Westphalia, Germany, Europe

Citadel of Vauban classified UNESCO World Heritage Site, Besançon, Doubs, France