Jean E. Roche / Aerial view of Salin de Giraud, Camargue, France, July.

Adrian Davies / Trail left in a Bramble leaf by the larvae of a Pygmy eyecap moth (Stigmella aurella), scanned on a flatbed scanner, Surrey, England, UK.

Stefan Christmann / Pancake ice on Southern Ocean as sea ice forms. Atka Bay, Antarctica. April.

Stefan Christmann / Pancake ice on Southern Ocean as sea ice forms. Atka Bay, Antarctica. April.

Stefan Christmann / Pancake ice on Southern Ocean as sea ice forms. Atka Bay, Antarctica. April.

Staffan Widstrand / Wild Wonders of China / Girl with umbrella, Yichun City, Heilongjiang Province, China. July 2016

David Fleetham / Spotted boxfish (Ostracion meleagris) swimming above sea floor. Hawaii.

Albert Lleal / Stinging Nettle (Urtica dioica) trichomes, 13x magnification, Barcelona, Spain

Loic Poidevin / Salt evaporation ponds on Ile de Re, Charente-Maritime, France, Atlantic Coast. July 2017. The colours are produced by the concentration of algae or halobacteria that live in the ponds which indicates...

Loic Poidevin / Salt evaporation ponds on Ile de Re, Charente-Maritime, France, Atlantic Coast. July 2017. The colours are produced by the concentration of algae or halobacteria that live in the ponds which indicates...

Loic Poidevin / People collecting salt from salt evaporation ponds and child waving, Olonne, Vendee, France, July.

Loic Poidevin / Looking down at salt evaporation ponds surrounded by the Salt Marshes of Olonne, Vendee, France, July 2017. The colours are produced by the concentration of algae or halobacteria that live in the pond...