Ashley Cooper / Sunflower next to the PS20 solar thermal tower, the only such working solar tower currently in the world. Sanlucar La Mayor, Andalucia, Spain. May 2011

Ashley Cooper / Heliostats, large reflective mirrors directing sunlight to the PS20 solar thermal tower, the only such working solar tower currently in the world. Sanlucar La Mayor, Andalucia, Spain. June 2011

Ashley Cooper / Sun rays reflected onto solar tower at Ivanpah Solar Thermal Power Plant, the largest solar thermal plant in the world. It covers 4,000 acres of desert and produce 392 megawatts (MW) of electricity....

Andres M. Dominguez / Mirror orchid (Ophrys speculum) in the Sierra de Grazalema Natural Park, El Bosque, southern Spain, April.

Jean E. Roche / Giant mirror in the shape of a woman emerging from river, a public sculpture by Rob Mullholland, Port Saint Louis du Rhone, Camargue, France, May 2013. Editorial Use only. Credit Jean Roche / Le Citro...

Jean E. Roche / Woman looking into giant 'funhouse' mirror in forest, public sculpture by Rob Mullholland, Port saint Louis du Rhone, Camargue, France, May 2013. Editorial Use only. Credit Jean Roche / Le Citron Jaun...

David Woodfall / Mute Swan (Cygnus olor) pair in flooded agricultural land adjacent to River Severn, 10th February 2014.

David Pattyn / Spectacled caiman (Caiman crocodilus) resting in shrinking pool, Pouso Alegre lodge. Pantanal, Brazil. Highly commended in the Other Animals Category of the GDT competition 2013.

Bence Mate / Dalmatian pelicans (Pelecanus crispus) underwater view of group feeding, Lake Kirkini, Greece. Highly commended in the GDT competition 2013. Commended in the Wildlife Photographer of the Year Awards c...

Theo Bosboom / Common blue damselflies (Enallagma cyathigerum) flying over the water to rest on plant stem, in a fen, Hondeven, Holland, July

Theo Bosboom / Common blue damselflies (Enallagma cyathigerum) flying over the water to rest on plant stem, in a fen, Hondeven, Holland, July