In this combination photo of two photos, the Belarusian National Library taken before and after the lights are turned off during the worldwide Earth Hour, a global campaign to highlight the threat...more after the break...
This two-picture combo shows the Monument of the Revolution before and after the lights that illuminate the plaza are switched off to observe an hour of voluntary darkness for the global "Earth Hour
This two-picture combo shows an aerial view of the iconic Christ the Redeemer statue before and after the lights that illuminate the statue are switched off to observe an hour of voluntary darkness
In this two photo combination, a harbour cruise sails past the geodesic dome of Science World on False Creek before Earth Hour, top, and during Earth Hour after it's lights were turned off in Vancouve
In this composite image of two photos lights are out on the Sydney Harbour Bridge and the Sydney Opera House, at bottom left, in the top photo in participation of Earth Hour
These combo photos show the landmark India Gate monument before, top, and after, bottom, turning off lights in New Delhi, India, Saturday, March 26, 2011 to mark the annual Earth Hour. Earth Hour take...
These combo photos show the Indian Presidential Palace before, top, and after, bottom, turning off lights to mark the annual Earth Hour in New Delhi,
This two-picture combo shows the Monument of the Revolution before and after the lights that illuminate the plaza are switched off to observe an hour of voluntary darkness for the global "Earth Hour" ...