These two photos show the lights being turned off at Malaysia's landmark Petronas Twin Towers to mark Earth Hour in downtown Kuala Lumpur, Saturday, March 28, 2009. In more than 4,000 cities around the world, lights were turned off for one hour at 8:30 p.m. local time, as part of a global campaign to highlight the threat of climate change.
(Photo: AP Photo/Lai Seng Sin)
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