England, London, Whitehall, men from the Romany traveller community exercise their rights to drive a horse powered cart or pony and trap on the public roads without restriction.

England, London, Whitehall, men from the Romany traveller community exercise their rights to drive a horse powered cart or pony and trap on the public roads without restriction.

Greece, Lesvos, Cape Molyvos, Solar Powered Lighthouse on a clifftop overlooking the sea.

Afghanistan, General, Kirghiz woman using hand powered sewing machine.

England, London, The view over the River Thames to the Modern Skyline of City of London with the Walkie Talkie and Cheesegrater Buildings.

Norway, Hordaland, Transport, The gas powered car ferry Fanafjord leaving Halhjem for Sandvikvag on Island of Stord part of the E39 coastal road.

Nepal, Kathmandu, Old man using hand pedal powered tricycle.

Ireland, County Roscommon, Elphin windmill.

Ireland, County Roscommon, Elphin windmill.

Ireland, County Roscommon, Elphin windmill.

Austria, Vienna, Modern electric car.

Austria, Vienna, Electric Car based on classic Fiat 500.