High angle view of boats in the river Yangtze, China

High angle view of Three Gorges Dam on Yangtze river, China, Asia

Passenger boats traveling in river water, St. Petersburg, Russia

Portrait of three girls posing in traditional clothing, Yangtze River, Lijiang, China

Tourboats in river with buildings in background, China

Ferry on a river, Skyscrapers in the background, Shanghai, China

River with hill range in background, Li River, Guilin Hills, Guangxi Zhuangzu, China

Boat moored at harbor, Dusseldorf, Germany

Silhouette of two boatmen on boats at dusk, China

Sailboat in canal with industrial windmill in background, Ostgrossefehn, Lower Saxony, Germany

Boats moored at harbor, Dusseldorf, Germany

Passenger boat in a river water, Yangtze, China