Reconstruction of buildings, Los Millares prehistoric Chalcolithic settlement archaelogical site, Almeria, Andalusia, Spain, Europe

Fortified house, known as Tata Somba ('Somba house') in a Tammari (also known as Batammariba, Tamberma, Somba, Otamari) village, Atakora department, Benin, Gulf of Guinea, West Africa

Sawdust heap at sawmill near Brunico (Bruneck), region of South Tyrol (Alto Adige), Italy

Sawmill Ligna S.a.s, Rasun di Sotto, South Tyrol (Alto Adige), Italy

Pygmy dwelling, Dzanga Sangha National Park, UNESCO, Central African Republic

The new elevator of the thermal baths using a wastewater-based system, Saint Gervais, Haute-Savoie, France

View from below the historic Bainbridge Steel Dam near Ash Fork, Kaibab National Forest, Arizona, United States of America

Ksar of Ait-Ben-Haddou, UNESCO, Ounila River valley, Ouarzazate Province, region of Draa-Tafilalet, Morocco

Messner Mountain Museum (MMM), Kronplatz (Plan de Corones), Dolomites, near Brunico (Bruneck), South Tyrol (Alto Adige), Italy

Msheireb Downtown Doha construction site of project setting in place a blueprint for sustainable urban regeneration, Qatar, Middle East

A 700 Kw hydro pwer scheme being constructed on the slopes of Ben More on Mull, Scotland, UK.

A 700 Kw hydro power plant being constructed on the slopes of Ben more, Isle of Mull, Scotland, UK.

A 700 Kw hydro power plant being constructed on the slopes of Ben more, Isle of Mull, Scotland, UK.

A 700 Kw hydro pwer scheme being constructed on the slopes of Ben More on Mull, Scotland, UK.

Attractive young brazilian woman plays the guitar at Greenheart?s La Casita Verde, Ibiza

greened roof with solar panels, UFA, International Center for Culture and Ecology, Berlin

Wind Turbines next to a river

An architect and an engineer plan and inspect a wind farm, ai generated

Windmills against the cloudy sky

An architect and an engineer plan and inspect a wind farm, ai generated

Drone shot, Inn power plant Ering Frauenstein, Frauenstein Castle, Mining, Inn, Innviertel, Upper Austria, Austria, Germany, Europe

483-metre-long Titan RT suspension rope bridge over the Rappbode dam, near Elbingerode, Harz Mountains, Saxony-Anhalt, Germany, Europe

Water wheel Trubachtal, Egloffstein, Bavaria, Germany, Europe