Sunset over hilly landscape in front of the Snowy Sierra Nevada, Albaicin, Granada, Andalucia, Spain

Sunset over arid hilly landscape in front of the snowy Sierra Nevada, Albaicin, Granada, Andalucia, Spain

Old man on mule and cyclist with mountain pedelec on road from Tizi n'Tichka Pass to Telouet, Ouarzazate Province, region of Draa-Tafilalet, Morocco

Drone aerial view of Kriaritsi project area with abandoned roads in the south of Greece, Sithonia, Chalkidiki, Greece

The town of Nefasi below the Debre Bizen monastery along the road from Massawa to Asmara, Nefasi, Eritrea, Africa

Terraced fields for farming cover the hills of northwestern Rwanda.

Terraced fields for farming cover the hills of northwestern Rwanda.

Simple construction homes terraced throughout the hilly countryside in northwest Rwanda

Sheep, Co Wicklow, Ireland

Lighthouse, South Shields, Tyne And Wear, England

Zabriskie Point, Death Valley National Park, CA