Star tracing over cacti, tracing stars as they move round North Star, Tucson, Arizona, United States of America (U.S.A.), North America

Star tracing over Monument Valley, tracing stars moving round the North Star, Monument Valley, an area in Utah and Arizona, United States of America (U.S.A.), North America

Wind turbines, Scotland, United Kingdom

Windmills. Spain.

Windmills. Spain.

Windmills. Spain.

Windmills. Spain.

Wind power plant, in Casares, Malaga, Spain

Wind power plant, in Casares, Malaga, Spain

Aurora borealis in Northern Norway, star traces due to earths rotation, Hammerfest, Norway, Europe

Aurora borealis in Northern Norway, star traces due to earths rotation, Hammerfest, Norway, Europe

Großer Arbersee, night shot with moving stars and moonlight, Bavarian Forest National Park, Bavaria, Germany,, Europe

Spinning wind turbine

Hispanic Women Dancing In Traditional Folkloric Dresses Guaycura Boutique Hotel And Spa, Todos Santos, Baja California, Mexico

Burgundy snail in the stars, Spain