Jordi Chias / Jellyfish (Diplulmaris antarctica). Cuverville, Antarctic Peninsula, Antarctica.

SCOTLAND: The Big Picture / Close up of a colony of Jewel anemones (Corynactis viridis) Scotland, UK, October.

Sven Zacek / Frozen bog pool system, aerial view. Endla Nature Reserve, Jogevamaa, Central Estonia. December 2016.

Juergen Freund / Timelapse from day to night of bioluminescent fungi (Omphalotus nidiformis / Pleurotus nidiformis) on a tree trunk, Atherton Tablelands, Queensland, Australia.

Guy Edwardes / Lobster pots at edge of Loch Duich, Eilean Donan Castle in background. Highlands, Scotland, UK. January 2014.

Gavin Hellier / Timelapse of the Eiffel Tower illuminated at night, Paris, FranceMay 2016. (This image may be licensed either as rights managed or royalty free.)

Gavin Hellier / Timelapse from day to night of people visiting the illuminated ice sculptures at the Harbin Ice and Snow Festival, Heilongjiang Province, China, February 2015. Hellier

Konrad Wothe / Three-striped poison frog (Ameerega trivittata) croaking, Panguana Reserve, Huanuco Region, Peru.

Ingo Arndt / Burned trees in front of Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA, September 2011.

Ingo Arndt / Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA, September 2011.

Enrique Lopez-Tapia / Travelers watching lava on Erta Ale volcano crater. Afar Region, Ethiopia, Africa. November 2014.

Pedro Narra / Scientists observing lava and ash plume erupting from Fogo Volcano, Fogo Island, Cape Verde, 29th November 2014.