Photography: Rivers & lakes Niagara FallsThe Horseshoe Falls at Niagara Falls, ON, Canada.TorneträskThe western end of Lake Torneträsk in Sweden, seen from the train between Narvik and Abisko.Polder180-degree panorama of the polder (flatland) along the Haarlemmertrekvaart canal near the town of Voorhout in the Netherlands. Panorama over 180 graden van de polder langs de Haarlemmertrekvaart bij Voorhout.OosterscheldekeringThe Oosterscheldekering (Eastern Scheldt storm surge barrier) is the largest of the thirteen dams and barriers that make up the Delta Works, protecting the Netherlands from flooding from the North Sea. The kering is 9 km (5.6 mi) long and was completed in 1986. The Delta Works as a whole were designed in response to the 1953 North Sea flood. De Oosterscheldekering is de langste van de dertien Deltawerken die Nederland tegen overstromingen vanuit de Noordzee beschermen. De kering is 9 km lang en is voltooid in 1986. De Deltawerken als geheel ontstonden als antwoord op de Watersnoodramp van 1953.Torc WaterfallThe Torc Waterfall in Killarney National Park, County Kerry, Ireland. 1.0s, f/20, ISO 100Partnach GorgeJuly 2, 2015 near Garmisch-Partenkirchen in the Bavarian Alps in southern Germany. A waterfall in the Partnach Gorge (or Partnachklamm in German) rains down as a fine mist.