Activists of the World Wide Fund For Nature (WWF) spell out the words Earth Hour 2014 in front of the illuminated Brandenburg gate before the lights were turned off to mark Earth Hour in Berlin, Saturday, March 29, 2014. Earth Hour is marked around
Be a Superhero for the planet: Earth Hour and 'Spider-man', Hollywood actor Andrew Garfield also participated in the event in Singapore, playing cricket with his co-star Jamie Foxx.
The Kremlin is illuminated before the lights were turned off, top, and then the same location in darkness when the lights are turned out for one hour to mark Earth Hour in Moscow, Russia, Saturday, March 29, 2014.
The lights are turned off at the Azadi (Freedom) tower during the worldwide Earth Hour in Tehran, Iran, Saturday, March 29, 2014.
In this combination photo composed of two photographs, the Parthenon temple atop the Acropolis Hill is seen before and after turning the lights were switched off to mark the annual Earth Hour in Athens, on Saturday March 29, 2014.
Germany football team after winning the FIFA World Cup 2014 in Brazil (Photo: AFP)
A two photo montage, shows the Taipei 101 skyscraper moments before and after its lights are turned off for Earth Hour 2014 in Taipei, Taiwan, Saturday, March 29, 2014.
Puri: Sand artist Sudarshan Pattnaik creates a sand sculpture on the eve of Earth Hour day at Puri beach on Friday.
Citizens of Hyderabad, getting ready for a cyclathon on Saturday, to observe Earth Hour.
Patiala: Teachers and school children during an awarness candle march to observe Earth Hour 2014 in Patiala, on Saturday. The aim of the march was to send the message to all to save power. As a first step towards saving power, as appeal was made to
Rashtrapati Bhavan during Earth Hour in New Delhi on Saturday.
Central Railway observe Earth Hour in Mumbai on Saturday by switching off lights for one hour without inconveniencing the commuters.
Representational Photo - PTI
Candles placed by participants to create the number 60, representing the minutes in an hour, marking Earth Hour in La Paz, Bolivia, Saturday March 29, 2014.