Conservation work at the Great Hypostyle Hall in the Precinct of Amon-Re, Karnak Temple Complex, UNESCO World Heritage Site, Luxor, Egypt, North Africa, Africa

Archaeologists at work, Chichen Itza, UNESCO World Heritage Site, Yucatan, Mexico, North America

Archaeologists at work, Chichen Itza, UNESCO World Heritage Site, Yucatan, Mexico, North America

Lignite strip mining Cottbus Nord, Lausitz, Brandenburg, Germany, Europe

Lignite strip mining Cottbus Nord, Lausitz, Brandenburg, Germany, Europe