The Empire State Building looked downright spooky with the lights out for Earth Hour
John Lamparski / Getty Images
Every year, iconic buildings around the world turn off their lights for an hour to mark Earth Hour. Now celebrated in some 150 countries, the campaign — which was held Saturday night — aims to raise awareness for local environmental projects and remind people to monitor their own energy usage.
So what did some landmarks look like when plunged into darkness?
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