Some of the flags of the European Union, La Defense, Paris, France, Europe

Women in saris in front of the facade of Hawa Mahal (Palace of the Winds), Jaipur, Rajasthan state, India, Asia

Women in saris in front of the facade of Hawa Mahal (Palace of the Winds), Jaipur, Rajasthan state, India, Asia

Women in saris in front of the facade of the Palace of the Winds (Hawa Mahal), Jaipur, Rajasthan state, India, Asia

Women in saris in front of the facade of the Palace of the Winds (Hawa Mahal), Jaipur, Rajasthan state, India, Asia

Women in saris in front of the facade of the Palace of the Winds (Hawa Mahal), Jaipur, Rajasthan state, India, Asia

Decorations for the Day of the Dead festival with Iglesia de San Rafael in the background, Plaza Principal, San Miguel de Allende, Guanajuato, Mexico, North America

Street scene, Ushuaia, Tierra del Fuego, Argentina

Windtower (wind catcher), Bagir, Yazd city, Iran, Middle East

Windtower (wind catcher), Dowlat Abat Garden pavilion, Yazd city, Iran, Middle East

Friday Mosque and cityscape with badgirs (wind towers), Yazd, Yazd Province, Iran, Middle East

Friday Mosque, general view, with badgirs (wind towers), Yazd, Yazd Province, Iran, Middle East

Elevated view of Roman Agora and Tower Of The Winds, Athens, Greece, Europe

Wind rose, Hercules Tower, La Coruña, Galicia, Spain

Wind catcher and water reservoir, Meybod Caravanserai, Meybod, Yazd Province, Iran, Middle East

St. Pierre Cathedral, old town, Geneva, Switzerland, Europe

Biggest Wind Tower in the world at Dolat Abad Garden, Yazd, Iran, Middle East

Tribune Tower, Gothic architecture, North Michigan Avenue, the Magnificent Mile, Chicago, Illinois, United States of America, North America

Tower of Winds, Athens, Greece, Europe

Biggest Wind Tower in the world at Dolat Abad Garden, Yazd, Iran, Middle East

Bastakia District of historic arabic houses with wind towers, Bur Dubai, Dubai, United Arab Emirates, Middle East

Wind towers, Madinat Jumeirah Hotel, Dubai, United Arab Emirates, Middle East

Wind towers, Madinat Jumeirah Hotel, Dubai, Middle East

Ornate spire of St. Pierre Cathedral, old town, Geneva, Switzerland, Europe

Remains of the Roman Agora and Tower of Winds, Athens, Greece, Europe

The Hong Kong and Chinese flags fly in Central, Hong Kong, China, Asia

The United Nations Building, Manhattan, New York City, New York, United States of America, North America

Wrigley Building on left, Tribune Building center, Chicago, Illinois, United States of America, North America

Wind towers, Madinat Jumeirah Hotel, Dubai, United Arab Emirates, Middle East

The United Nations Building, Manhattan, New York City, New York, United States of America, North America

Flags, Chicago, Illinois, United States of America, North America

Cuban flag flying outside the Ministerio del Interior, Plaza de la Revolucion, Havana, Cuba, West Indies, Central America

Sunrise view of the Roman Agora, showcasing the Tower of the Winds, an octagonal Pentelic marble clock tower, with the Acropolis in the background, Athens, Greece, Europe

Historic tower of Porto Paglia in the sea on the coast of Sardinia, Italy, Mediterranean, Europe

Horologion of Andronikos Kyrrhestes (Tower of the Winds) in Roman Agora, Athens, Greece

Horologion of Andronikos Kyrrhestes (Tower of the Winds) in Roman Agora, Athens, Greece

Old buildings, recreations of the old structures around Dubai Creek, feature wind towers, in the Bastakia quarter, Dubai, United Arab Emirates, Middle East

Tower of Winds, Roman Agora, Athens, Greece, Europe

Medieval windmills at Mandraki harbour, City of Rhodes, Rhodes, Dodecanese Islands, Greek Islands, Greece, Europe

Jose Marti Monument in Plaza de la Revolucion (Revolution Square), Havana, Cuba, West Indies, Central America

Tower of the Winds (Horologion of Andronikos Kyrrhestes) at sunset, Roman Forum, Athens, Attica, Greece, Europe

Tower of the Winds (Horologion of Andronikos Kyrrhestes) at sunset, Roman Forum, Athens, Attica, Greece, Europe

Tower of the Winds (Horologion of Andronikos Kyrrhestes), Roman Forum, Athens, Attica, Greece, Europe

Tower of the Winds, The Roman Forum, Athens, Greece, Europe

Tower of the Winds (Horologion of Andronikos Kyrrhestes) at sunset, Roman Forum, Athens, Attica, Greece, Europe

Tower of the Winds and Roman Agora, Athens, Greece

Aerial view of the Tower of Winds and Roman Forum Ruins, taken from the Acropolis, Athens, Greece, Europe

Tower of the Winds, Roman Agora, Athens, Greece, Europe

Detail, Tower of the Winds, Athens, Greece, Europe

Part of the Tehachapi Pass wind farm, the first large scale wind farm area developed in the US, California, USA.

Part of the Tehachapi Pass wind farm, the first large scale wind farm area developed in the US, California, USA.

Part of the Tehachapi Pass wind farm, the first large scale wind farm area developed in the US, California, USA.

Rain showers at sunset over Stoer Point lighthouse in Assynt, North West Highlands, Scotland, UK.

Rain showers at sunset over Stoer Ppoint lighthouse in assynt, north West Highlands, Scotland, UK.

The Walney Offshore Windfarm project is located 15km off Barrow in Furness in Cumbria, England, United Kingdom, Europe

The yellow transition pieces that will hold the tower and turbine, that fit onto the monopile to hold the structure to the sea bed, Walney Offshore Wind Farm, Barrow in Furness, Cumbria, England, United Kingdom, Europe

The yellow transition pieces that will hold the tower and turbine, that fit onto the monopile to hold the structure to the sea bed, Walney Offshore Wind Farm, Barrow in Furness, Cumbria, England, United Kingdom, Europe

The yellow transition pieces that will hold the tower and turbine, that fit onto the monopile to hold the structure to the sea bed, Walney Offshore Wind Farm, Barrow in Furness, Cumbria, England, United Kingdom, Europe

The yellow transition pieces that will hold the tower and turbine, that fit onto the monopile to hold the structure to the sea bed, Walney Offshore Wind Farm, Barrow in Furness, Cumbria, England, United Kingdom, Europe

The Walney Offshore Windfarm project is located 15km off Barrow in Furness in Cumbria, England, United Kingdom, Europe

The yellow transition pieces that will hold the tower and turbine, that fit onto the monopile to hold the structure to the sea bed, Walney Offshore Wind Farm, Barrow in Furness, Cumbria, England, United Kingdom, Europe

The Walney Offshore Windfarm project is located 15km off Barrow in Furness in Cumbria, England, United Kingdom, Europe

The Walney Offshore Windfarm project is located 15km off Barrow in Furness in Cumbria, England, United Kingdom, Europe

The Walney Offshore Windfarm project is located 15km off Barrow in Furness in Cumbria, England, United Kingdom, Europe

The Walney Offshore Windfarm project is located 15km off Barrow in Furness in Cumbria, England, United Kingdom, Europe

An engineer climbs the ladder of a Siemens wind turbine tower, destined for the Walney offshore wind farm, Wales, United Kingdom, Europe

The Walney Offshore Windfarm project is located 15km off Barrow in Furness in Cumbria, England, United Kingdom, Europe

The yellow transition pieces that will hold the tower and turbine, that fit onto the monopile to hold the structure to the sea bed, Walney Offshore Wind Farm, Barrow in Furness, Cumbria, England, United Kingdom, Europe

The Walney Offshore Windfarm project is located 15km off Barrow in Furness in Cumbria, England, United Kingdom, Europe

The Walney Offshore Windfarm project is located 15km off Barrow in Furness in Cumbria, England, United Kingdom, Europe

The Walney Offshore Windfarm project is located 15km off Barrow in Furness in Cumbria, England, United Kingdom, Europe

The Walney Offshore Windfarm project is located 15km off Barrow in Furness in Cumbria, England, United Kingdom, Europe

The Walney Offshore Windfarm project is located 15km off Barrow in Furness in Cumbria, England, United Kingdom, Europe

The Walney Offshore Windfarm project is located 15km off Barrow in Furness in Cumbria, England, United Kingdom, Europe

The Walney Offshore Windfarm project is located 15km off Barrow in Furness in Cumbria, England, United Kingdom, Europe

Blackpool being battered by storms, Blackpool, Lancashire, England, United Kingdom, Europe

Portrait of smiling Hispanic woman on urban rooftop at sunset

Portrait of smiling women on urban rooftop at sunset

Portrait of smiling Hispanic woman on urban rooftop at sunset

Portrait of smiling Hispanic woman on urban rooftop

Portrait of smiling Hispanic woman on urban rooftop at sunset

Windmills. Spain.

Windmills. Spain.

Windmills. Spain.

Windmills. Spain.

Salt Museum windmill at Stagnone salt pans, Stagnone, near Marsala and Trapani, Sicily, Italy

Saint Roch,??s windmill, Grimaud, Cote D,??Azur, France

Hirtshals Lighthouse at the blue hour after sunset, Denmark

Long exposure from the lighthouse in Skagen, Jutland, Denmark

aerial view of coal power station, and wind turbines, Mehrum, Hanover, Lower saxony, northern Germany

coal power station, and wind turbines, Mehrum, Hanover, Lower saxony, northern Germany

Potter's market on the Sparrenbug, Bielefeld, Teutoburger Wald, North Rhine-Westphalia, Germany

Tourists making a sail from a blanket in hurricane winds over the North Sea, path to Westerheversand Lighthouse, Schleswig-Holstein, Germany, Europe

Christmas Market, Old Town Square, Prague, Czech Republic, Europe

Pont du Charles de Gaulle bridge over the Meuse river with colorful saxophones as memorials to Adolphe Sax, Collegiate Church of Notre-Dame and Citadel, Dinant, Namur, Wallonia, Belgium, Europe

Pavilion inside the Bagh-e Dolat Abad or Dolat Abad Garden, with the highest Wind Tower of Iran at 33 meters, Yazd, Iran, Asia

Renewable wind and solar energy. Wind turbine next to photovoltaic system on hill

High waves, splashing spray, lighthouse during storm, Porto, Portugal, Europe

Wind tower and water reservoir, Na'in, Isfahan Province, Iran, Asia

Flag of Germany and the minaret of the Tuerkiyem Mevlana mosque, Weinheim, Baden-Wuerttemberg, Germany, Europe