Lake Sandoval and Aguaje palms, Tambopata National Reserve, Puerto Maldonado, Madre de Dios, Peru, South America

Petrified forest, Agia Marina, Agios Nikolaos Geopark, beach with turquoise water in the south of Greece, Greece

Lake Sandoval, Tambopata National Reserve, Puerto Maldonado, Madre de Dios, Peru, South America

Holiday homes, Husavik, 'house bay', Iceland, Europe

Piz Nair cable car station, photovoltaic system, solar cells, high mountains, Switzerland, Europe

Piz Nair cable car station, photovoltaic system, solar cells, high mountains, Switzerland, Europe

Wind wheel, Landschaftspark Duisburg-Nord landscape park, a former Thyssen blast furnace plant in Meiderich, Duisburg, North Rhine-Westphalia, Germany, Europe

Information center with restaurant, Walchensee Hydroelectric Power Station, Kochel, Upper Bavaria, Bavaria, Germany, Europe