Hikers inside the caldera Enclos Fouque, Piton de la Fournaise, Reunion

Greek wild beach cliffs coastline in Igoumenitsa, Greece

Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

Arctic desert around Grise Fjord, most northern community in America, Nunavut, Canadian Arctic, Canada, North America

Biker crossing the river with ford near the village of Tighza, Ounila River valley, Ouarzazate Province, region of Draa-Tafilalet, Morocco