Uri Golman / Volcanic eruption near Eyjafjallajoekull glacier, ash and smoke exploding into the air, Iceland, 24/03/2010. Volcano dormant since 1821.

Uri Golman / Volcanic eruption near Eyjafjallajoekull glacier, Iceland, 24/03/2010. Volcano dormant since 1821.

Uri Golman / Volcanic eruption near Eyjafjallajoekull glacier, Iceland, 24/03/2010. Volcano dormant since 1821.

Juan Carlos Munoz / People descending into the Thrihnukagigur volcano a dormant volcano, now used for tours, Iceland, Europe, June 2012

Chris Gomersall / 2020VISION / Common poppies (Papaver rhoeas) growing in a consevation margin, RSPB Hope Farm reserve, Cambridgeshire, England, UK, May. 2020VISION Book Plate. Did you know? Common poppy seeds can lie dormant for u...

Fergus Gill / 2020VISION / Roe Deer (Capreolus capreolus) doe running in a field of barley, Northumberland, England, summer. Although Roe deer mate in August, the fertilised egg is dormant until January, which prevents the fema...

Uri Golman / Volcanic eruption near Eyjafjallajoekull glacier, hot lava flowing down into the Thorsmork valley, Iceland, 24/03/2010. Volcano dormant since 1821.

Uri Golman / Volcanic eruption near Eyjafjallajoekull glacier, hot lava flowing down into the Thorsmork valley, Iceland, 24/03/2010. Volcano dormant since 1821.

Uri Golman / Helicopter flying over volcanic eruption near Eyjafjallajoekull glacier, Iceland, 24th March 2010. Volcano previously dormant since 1821.

Juan Carlos Munoz / Man walking from the Thrihnukagigur volcano, a dormant volcano now used for tours inside the volcano. Iceland, Europe, June 2012

Juan Carlos Munoz / Tourists walking away from the Thrihnukagigur volcano, a dormant volcano now used for tours inside. Iceland, Europe, June 2012

Juan Carlos Munoz / Tourists being lowered into Thrihnukagigur volcano, a dormant volcano now used for tours, by cable lift. Iceland, Europe, June 2012

Juan Carlos Munoz / Tourists being lowered into Thrihnukagigur volcano, a dormant volcano now used for tours, by cable lift. Iceland, Europe, June 2012

Juan Carlos Munoz / Entrance to Thrihnukagigur volcano, a dormant volcano now used for tours, Iceland, Europe, June 2012

Juan Carlos Munoz / People about to descent into Thrihnukagigur volcano, a dormant volcano now used for tours, Iceland, Europe, June 2012

Juan Carlos Munoz / Tourists hiking to the Thrihnukagigur volcano, for a tour of the inside of this now dormant volcano, Iceland, Europe, June 2012

Juan Carlos Munoz / Man taking photograph inside the Thrihnukagigur volcano lit up by floodlight, a dormant volcano which is now used for tours, Iceland, Europe, June 2012

Juan Carlos Munoz / Tourists hiking to the Thrihnukagigur volcano, for a tour of the inside of this now dormant volcano, Iceland, Europe, June 2012

Juan Carlos Munoz / Inside the Thrihnukagigur volcano with torch light of a tour at the end of a tunnel. This dormant volcano is now used for tours, Iceland, June 2012

Juan Carlos Munoz / Inside the Thrihnukagigur volcano with torch light from a tour at the end of a tunnel. This dormant volcano is now used for tours, Iceland, June 2012

Juan Carlos Munoz / Man inspecting the rocks inside the Thrihnukagigur volcano a dormant volcano, now used for tours, Iceland, Europe, June 2012

Juan Carlos Munoz / People descending into the Thrihnukagigur volcano a dormant volcano, now used for tours, Iceland, Europe, June 2012

Juan Carlos Munoz / People walking inside the Thrihnukagigur volcano a dormant volcano, now used for tours, Iceland, Europe, June 2012

Enrique Lopez-Tapia / Dusk on Mount Kilimanjaro with Mount Meru in background (4566m), both dormant volcanos, Tanzania

Colin Monteath / Mount Taranaki showing western flanks of dormant volcano above clouds, New Zealand

Colin Monteath / Mount Taranaki showing western flanks of dormant volcano above clouds, New Zealand

Uri Golman / Volcanic eruption near Eyjafjallajoekull glacier, Iceland, 24th March 2010. Volcano previously dormant since 1821.

Uri Golman / Volcanic eruption near Eyjafjallajoekull glacier, Iceland, 24th March 2010. Volcano previously dormant since 1821.

Uri Golman / Volcanic eruption near Eyjafjallajoekull glacier, Iceland, 24th March 2010. Volcano previously dormant since 1821.

Doug Allan / Camerman Doug Allan filming Chinstrap penguins for BBC NHU 'The Blue Planet'. Zavodovski Is, South Sandwich Is, with dormant volcano in background, 1997

Anup Shah / Parc du Volcans National Park, Rwanda - natural habitat of the Mountain gorilla

Doug Allan / Aerial view of summit cone of Sangay, dormant volcano, Ecuador

Doug Allan / The green waters of Laguna Verde with extinct Inca volcano Licancabur behind, Andes, Bolivia

Doug Allan / Aerial view of exinct Licancabur volcano, Bolivia

Doug Allan / Huge Chinstrap penguin colony {Pygoscelis antarctica} breeding on the coastline of dormant volcanic island of Zavadowski, South Sandwich Islands, Antarctica

Anup Shah / Dormant volcano in Crater Highlands, Tanzania.

Anup Shah / Dormant volcano in Crater Highlands, Tanzania.

Harley Betts / Star trails around the south celestial pole over Mt Taranaki, also known as Mt Egmont (8,261 feet) a dormant volcano in the southwest corner of the North Island near the Tasman Sea, Egmont National Pa...

Rob Brown / Evening light on Mt Taranaki, also known as Mt Egmont (8,261 feet) a dormant volcano in the southwest corner of the North Island near the Tasman Sea, Egmont National Park, New Zealand

Harley Betts / Star trails around the south celestial pole over Mt Taranaki, also known as Mt Egmont (8,261 feet) a dormant volcano in the southwest corner of the North Island near the Tasman Sea, Egmont National Pa...

Harley Betts / Star trails around the south celestial pole over Mt Taranaki, also known as Mt Egmont (8,261 feet) a dormant volcano in the southwest corner of the North Island near the Tasman Sea, Egmont National Pa...

Tui De Roy / Mt Melbourne, dormant volcano, Transantarctic Mountains, Campbell Glacier, Scott Coast, Ross Sea, Antarctica

Tui De Roy / Cotopaxi Volcano rising 4,897 meters above Andean Plateau, dormant for two centuries but increased temperatures and fumaroles suggest renewed activity, Ecuador

Doug Allan / Summit cone of Sangay, Ecuador. Dormant volcano

Doug Allan / Chinstrap and Macaroni Penguin colony on dormant volcano slopes of Zavodovski Island, South Sandwich group

Doug Allan / Iceberg in front of dormant volcano, Zavodovski Island, South Sandwich Island, Antarctica

Mark Payne-Gill / Triops tadpole shrimps breeding in pool after rains {Triops cancriformis} Bahrain. Eggs lie dormant until it rains when they hatch and breed in short period before pool dries out again.

Colin Monteath / Mount Taranaki showing western flanks of dormant volcano above clouds, New Zealand

Jim Brandenburg / Dormant volcanoes, Hawaii Volcanoes National Park, Hawaii

Doug Allan / Doug Allan filming Chinstrap penguins dormant volcano Zavodovski Is S Sandwich Is