View over the Ilulissat Icefjord, UNESCO World Heritage Site, Western Greenland, Denmark, Polar Regions

Qasr al Hosn fort, preserved in downtown area, Abu Dhabi, United Arab Emirates, Middle East

Partially renovated old building with a new roof, former Krupp Bliersheimer Colony Villas, factory homes of the Friedrich-Wilhelm-Huette steelworks, Duisburg-Rheinhausen, Ruhr Area, North Rhine-Westphalia, Germany, Europe

Pfarrzentrum St. Nikolaus parish center, front, modern religious architecture, architect Prof. Andreas Meck, Neuried, Munich, Bavaria, Germany, Europe

Aerial view, former water tower, historical monument, camera obscura, Muelheim an der Ruhr, Ruhrgebiet region, North Rhine-Westphalia, Germany, Europe

Das Haus zum Walfisch historical building, Freiburg, Baden-Wuerttemberg, Germany, Europe

Boardwalk in the Naturschutzgebiet Dosenmoor nature reserve, regenerating and partially preserved bog, Kreis Neumuenster county, Schleswig-Holstein, Germany, Europe

Boardwalk in the Naturschutzgebiet Dosenmoor nature reserve, regenerating and partially preserved bog, Kreis Neumuenster county, Schleswig-Holstein, Germany, Europe

Kunstmuseum Muelheim an der Ruhr, art museum, in the Alte Post building, former postal building, Synagogenplatz square, Muelheim an der Ruhr, Ruhr Area, Germany, Europe, PublicGround

Synagogenplatz square, Kunstmuseum Muelheim an der Ruhr, art museum, in the Alte Post building, former postal building, listed building, Muelheim an der Ruhr, Ruhr Area, North Rhine-Westphalia, Germany, Europe, PublicGround

Grugaturm tower and restaurant in the Grugapark park, Essen, Ruhrgebiet area, North Rhine-Westphalia, Germany, Europe

Aerial photo, Dortmund U, downtown Dortmund, Ruhrgebiet area, North Rhine-Westphalia, Germany, Europe

Kunstmuseum Muelheim an der Ruhr, art museum, in the Alte Post building, former postal building, listed building, Synagogenplatz square, Muelheim an der Ruhr, Ruhr Area, Germany, Europe, PublicGround

Grugaturm tower in the Grugapark park, Essen, Ruhrgebiet area, North Rhine-Westphalia, Germany, Europe

Hiking trail through Snow Canyon, with circles of stones in a meeting area behind the Red Mountain Spa, with meditation maze and Snow Canyon Mountain Range in the background. Red Cliffs Desert Reserve around St George Town with rock cliffs and dark clouds in a blue sky, St George, Utah, United States of America

Hiking trail through Snow Canyon, with circles of stones in a meeting area behind the Red Mountain Spa, with meditation maze and Snow Canyon Mountain Range in the background. Red Cliffs Desert Reserve around St George Town with bright sunburst in a blue sky, St George, Utah, United States of America

Hiking trail through Snow Canyon, with circles of stones in a meeting area behind the Red Mountain Spa, with meditation maze and Snow Canyon Mountain Range in the background. Red Cliffs Desert Reserve around St George Town with rock cliffs and dark clouds in a blue sky, St George, Utah, United States of America