Heliostats reflect sunrays to receiver tower, solar energy scientific research centre, AORA Tulip System, Tabernas, Almeria, Andalusia, Spain, Europe

Llanfair Light Railway, Llanfair Caereinion, Welshpool, Powys, Wales, United Kingdom

Al Mudhaireb Village, Al Sharqiyah region, Sultanate of Oman, Arabian Peninsula

Six different groups of native warriors, drummers, and dancers perform on Kwato Island, Papua New Guinea, Pacific

LUAS urban public transport light rail tram system, city of Dublin, Republic of Ireland, Europe

A community theatre at the Barefoot College in Tilonia, Rajasthan, India. The Barefoot College is a worldwide charity, founded by Bunker Roy, its aims are, education, drinking water, electrification through solar power, skill development, health, women empowerment and the upliftment of rural people. The theatre is used to spread educational and health messages out into the local community.

Inuit Settlement landscape of local Coal Power station, Lorino Village (Chukotskiy Peninsular) Russia, Asia.

Eon's biofuel power station, carbon neutral, fuelled by wood from local woodlands, Lockerbie, Scotland, United Kingdom, Europe

Eon's biofuel power station, carbon neutral, fuelled by wood from local woodlands, Lockerbie, Scotland, United Kingdom, Europe

Modern farmers houses built by the local communist party on the outskirts of Suihua city in northern China, Asia

Modern farmers houses built by the local communist party on the outskirts of Suihua city in northern China, Asia

Eon's biofuel power station, carbon neutral, fuelled by wood from local woodlands, Lockerbie, Scotland, United Kingdom, Europe

Maori dance performance, Rotorua, Maoris at Rotorua Arts Festival, cultural performance, Rotorua, North Island, New Zealand

Local woman dancing Hula, Oahu, Hawaii, USA, America

Local woman dancing Hula, Oahu, Hawaii, USA, America

Local woman dancing Hula, Oahu, Hawaii, USA, America

Local woman dancing Hula, Oahu, Hawaii, USA, America

Local woman dancing Hula, Oahu, Hawaii, USA, America

King Fon Abumbi II, head of one of the traditional kingdoms in north west Cameroon, in front of the Achum sanctuary at his seat of power with one of his favourite wives, Bafut Palace, near Bamenda, Cameroon, Central Africa, Africa

King Fon Abumbi II, head of one of the traditional kingdoms in north west Cameroon, in front of the Achum sanctuary at his seat of power with two of his favourite wives, Bafut Palace, near Bamenda, Cameroon, Central Africa, Africa

Peat briquettes for private domestic fuel being dried by the inhabitants themselves, Birr, Offaly, Midlands, Ireland, Europe

Tatra Electric Railway in the snow, Strbske Pleso, Slovakia, Europe

Tatra Electric Railway in the snow, Strbske Pleso, Slovakia, Europe

Intercity-Express train, ICE, and a regional train, suburban train, on the track, railway, track network next to the main railway station in Essen, Essen, North Rhine-Westphalia, Germany, Europe

Double-deck train, regional train, on the track, railway, track network next to the Essen main railway station, Essen, North Rhine-Westphalia, Germany, Europe

Biogas plant, biomass power plant, with combined heat and power unit, CHP, and an adjacent silo, maize silage

Environmentally-friendly hybrid bus, Munich, Bavaria, Germany, Europe

Tatra Electric Railway in the snow, Strbske Pleso, Slovakia, Europe

Applying the make-up for the power-hungry Kathakali character Chuvanna Thaadi, Kathakali dance theatre, Kochi, Kerala, South India, India, Asia

Tatra Electric Railway in the snow, Strbske Pleso, Slovakia, Europe

Aerial view, solar sails, tram station with solar panels on the roofs, Veltins Arena, Gelsenkirchen, Ruhr Area, North Rhine-Westphalia, Germany, Europe

Euro notes

Back end of tractor carrying a load of harvested cornstalks (Zea Mays) on a highway driving through the countryside; Yarrow, British Columbia, Canada

China, Lijang, Statue of Mao Tse Tung.

China, Beijing, portrait of Mao Tse Tung on Tiananmen Gate

China, Beijing, portrait of Mao Tse Tung on Tiananmen Gate