There are many different types of waterfalls. A block waterfall descends from a wide stream. Niagara Falls is a block waterfall on the Niagara River. A cascade waterfall descends over a series of rock steps. A cataract is a powerful, often dangerous, waterfall like the falls of the Iguazu River on the Brazil-Argentina border. A chute is a waterfall in which the stream is forced through a narrow passage. All kinds of extraordinary waterfalls are featured in National Geographic Waterfalls 2020. Iconic landmarks as well picturesque hidden gems, each reshaping the landscape around them. Included in Waterfalls 2020: Yosemite Falls, California; Cascadas de Minas Viejas, Mexico; Porphyry Basin Waterfall, Colorado; Arrow Bamboo Falls, China; Sipisopiso, Sumatra, Indonesia; Iguazu Falls, Brazil; Seljalandsfoss, Iceland; Krka Tufa Falls, Croatia; Horseshoe Falls, Tasmania, Australia; Tis Abay, Blue Nile River, Ethiopia; Havasu Falls, Arizona; Kuang Si Falls, Laos. Each outstanding image is accompanied by a large grid with moon phases and international holidays. National Geographic supports vital work in conservation, research, exploration, and education. This calendar includes a 3-year at-a-glance page and is earth friendly, printed with soya-based inks on FSC certified paper.
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