Milan Radisics / Aerial shot of Kudafljot glacial river flowing over black volcanic soil, Iceland, August 2018.
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Milan Radisics / Aerial shot of a confluence of three tributaries flowing over black sand at the mouth of the Affall River, Landeyjar area, Southern Iceland, August 2018.
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Derek Galon / Drone shot revealing Victoria Falls, water is milky blue as it contains sulphur from Boiling Lake, Dominica, 2019
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Derek Galon / Drone shot approaching Victoria Falls after heavy rains, normally water is milky blue as it contains sulphur from Boiling Lake, after rain it is muddy, Dominica, 2019.
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Derek Galon / Drone shot flying along a river and revealing the top of Middleham Falls, Morne Trois Pitons National Park, Dominica, 2019.
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John Shaw / Yacare caiman (Caiman yacare) Cuiaba River, Pantanal, Brazil, August.
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Jack Dykinga / Waterfall over sandstone with cottonwood tree, Long Canyon , Burr Trail, Grand Staircase-Escalante National Monument, Utah, USA. October.
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Nick Hawkins / Underneath view of a North American beaver (Castor canadensis) swimming under the ice of a frozen river. Quebec, Canada. October.
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Nick Hawkins / Atlantic salmon (Salmon salar) under river ice. Quebec, Canada. October.
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Nick Hawkins / Chum salmon (Oncorhynchus keta) migrate up a small river near Bella Bella, British Columbia, Canada. September
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Milan Radisics / Tracking aerial shot of the source of the Rio Tinto river, the river is coloured by minerals leeching from the surrounding terrain, Andalusia, Spain, January 2019.
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Robert Valentic / Portrait of an adult Three-toed Earless Skink (Hemiergis talbingoensis) Tallarook, Goulburn River in central Victoria, Australia.
