In pics: World observes Earth Hour
In pics: World observes Earth Hour
In pics: World observes Earth Hour
In pics: World observes Earth Hour
In pics: World observes Earth Hour
In pics: World observes Earth Hour
In pics: World observes Earth Hour
In pics: World observes Earth Hour
In pics: World observes Earth Hour
In pics: World observes Earth Hour
In pics: World observes Earth Hour
In pics: World observes Earth Hour
In pics: World observes Earth Hour
In pics: World observes Earth Hour
In pics: World observes Earth Hour
In pics: World observes Earth Hour
In pics: World observes Earth Hour