Etna National Park forest, UNESCO World Heritage Site, Etna, Sicily, Italy, Mediterranean, Europe

Salt lake, north Victoria, Australia, Pacific

Isolated tree among sandstone rock formation in the desert canyons of the Ashar Valley, Medina Province, Saudi Arabia

Close up of Potter glacier, Tierra del Fuego, Chile, South America

Mountainous landscape, Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America

Volcanic landscape with small plants in the Timanfaya national park in Lanzarote in the Canary Islands, Spain

Downward street in Bukavu, Democratic Republic of the Congo, Africa