River flowing besides monastery, River Alzette, Luxembourg City, Luxembourg

High angle view of pier lit up at night, Thames River, London, England

Pied Avocet (Recurvirostra avosetta) birds flying over river

White Wagtail (Motacilla alba) bird on log in river

View over Moselle river to Gondorf Castle, Rhineland-Palatinate, Germany

Storm clouds above the Warnow river, warehouses in the background, Rostock, Germany

Tourboat in river with church in background, Thames River, Hampton Church, Hampton, London, England

Residential buildings at waterfront, Wigan, England

Townscape of Ferragudo, Algarve, Portugal

Pfalzgrafenstein Castle in the Rhine, Kaub, Germany

Pfalzgrafenstein Castle in the Rhine, Kaub, Germany

High angle view of boats on coast, Cala Pi, Majorca, Balearic Islands, Spain

Illustration of fish jumping over a young girl sitting on a dock

Digitally enhanced image of Chinese houses beside a river

Motorboat besides a pier in river waters