Kirkendall-Spring / John Day Fossil Beds National Monument, Painted Hills Unit, Oregon, USA, May 2013.
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Floris van Breugel / Syncronous Fireflies (Photinus carolinus) illuminate the lush forests of Smoky Mountains National Park, Tennesse, USA, July
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Theo Bosboom,Theo Bosboom / Abstract reflections of reed and clouds in the water, Texel, the Netherlands, April
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Yukihiro Fukuda / Japanese fireflies (Luciola cruciata) in flight at night, Japan endemic species, Nichinan-chou, Tottori, Japan, July
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Sandra Bartocha / Porcelain fungus (Oudemansiella mucida) close-up, Germany, October
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Sandra Bartocha / Forest view of trunks of Scots Pine (Pinus sylvestris), Downy European white birch (Betula pubescens) and European Beech (Fagus sylvatica) trees, Muritz National Park, Germany, November
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Jack Dykinga / Colorado River Delta, with watercourse sculpted patterns eroded into the salt / silt flats near the Sea of Cortez, La Reserva del Golfo, Baja, Mexico
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Juan Carlos Munoz / Abstract of reeds in front of lake with reflections, Plitvice Lakes National Park, Lika, Croatia, Europe, October 2011
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Erlend Haarberg / Aerial view of river flowing into the sea, Landeyjarsandur, South coast of Iceland, September 2010
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Alex Mustard / Peacock flounder (Bothus lunatus) resting on the seabed, East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.
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Graham Eaton / View of frozen Llynnau Mymbyr, a mountain lake, with fog partly revealing a mountain ridge, Snowdonia NP, Gwynedd, Wales, UK, December
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Inaki Relanzon / Remarkable Rocks at night, Flinders Chase National Park, Kangaroo Island, South Australia State, Australia, September 2011.