Nick Garbutt / Sun beam at sun rise over the Grand Canyon of the Yellowstone, Yelllowstone National Park, Wyoming, USA. January 2016.

Nick Garbutt / Sun beam at sun rise over the Grand Canyon of the Yellowstone, Yelllowstone National Park, Wyoming, USA. January 2016

Espen Bergersen / Two Svalbard reindeer (Rangifer tarandus platyrhychus) Svalbard, Norway, April.

Sven Zacek / Broken ice covered in snow at sunset, on the shore of Lake Vortsjarv, gathered to shore by extreme winds, Estonia. December 2014.

Ernie Janes / St Benets Level Drainage Mill at sunset. Norfolk Broads, England, UK, February.

Peter Cairns / Twilight over Flakstad beach, Lofoten, Norway. February 2014.

Markus Varesvuo / Great white egret (Ardea alba) splashing, Hungary, January.

Jack Dykinga / Sun shining through mesquite bosque forest with lush winter rain-fed grasses covering the forest floor at sunset, Catalina State Park, Arizona. February 2014.

Sandra Bartocha / Silver birch (Betula pendula) and Scots pine (Pinus sylvestris) trunks in snow, Muritz-National Park, Germany, January.

Olga Kamenskaya / Ice formations in snow on Lake Baikal, Siberia, Russia, March 2007.

Matthew Maran / Sunset over snow-covered Hampstead Heath in winter, London, UK, January 2013.

Ernie Janes / Hedge parsley (Torilis japonica) at sunset, silhouetted against sun, England, January.