Calle Real at Christmas time, San Sebastian, La Gomera, Canary Islands, Spain, Europe

Scientist uses hydrophone to track tagged great white shark (Carcharodon carcharias) behaviour in real time, Gaansbaai, Western Cape, South Africa, Africa

A differential GPS being used in real time kinematic survey, to survey the extent of the Durham canyon flooding feature, County Durham, England, United Kingdom, Europe

A differential GPS being used in real time kinematic survey, to survey the extent of the Durham canyon flooding feature, County Durham, England, United Kingdom, Europe

A differential GPS being used in real time kinematic survey, to survey the extent of the Durham canyon flooding feature, County Durham, England, United Kingdom, Europe

A differential GPS being used in real time kinematic survey, to survey the extent of the Durham canyon flooding feature, County Durham, England, United Kingdom, Europe

Real Betis Balompie football club fans hoisting Andalusian flags in Ramon Sanchez-Pizjuan stadium, Seville, Andalusia, Spain, Europe

For sale, sale, sign, high-rise building, apartment block, realty, waterfront promenade, La Serena, Norte Chico, northern Chile, Chile, South America

City centre, Graz, Styria, Austria, Europe

Young woman live streaming from home

City centre, Graz, Styria, Austria, Europe

Palacio Real, Royal Palace, Madrid, Spain, Europe

Apartment complex in Andalusia, Spain, Europe

Messeturm fair tower by architect Helmut Jahn, Union Investment office building illuminated in blue, Bahnhofsviertel quarter, Frankfurt am Main, Hesse, Germany, Europe

Office and commercial building "Huehnerposten", Hamburg, Germany, Europe

Royal palace, Palacio Real, and Catedral Nuestra Senora de la Almuneda Cathedral, at night, Madrid, Spain, Iberian Peninsula, Europe

Aerial view, former mining settlement, Meistersiedlung Datteln settlement, snow, Ruhr area, North Rhine-Westphalia, Germany, Europe

Santa Maria la Real de La Almudena Cathedral, Madrid, Spain, Europe

Aerial photo, Nordsternpark landscape park, Rhine?Herne Canal, THS real-estate company administration, Horst, Gelsenkirchen, Ruhrgebiet area, Extraschicht 2009 cultural festival, night flight, North Rhine-Westphalia, Germany, Europe

Palacio Real, Royal Palace, Madrid, Spain, Europe

Palacio Real, Royal Palace, Madrid, Spain, Europe

Palacio Real, Royal Palace, Madrid, Spain, Europe

Santa Maria la Real de La Almudena Cathedral, Madrid, Spain, Europe

Palacio Real, Royal Palace, Madrid, Spain, Europe

Chilehaus building, Kontorhausviertel district, Altstadt, Hamburg, Germany, Europe