Photo taken on March 19, 2016 shows the Petronas towers after the lights were switched off during the Earth Hour campaign in Kuala Lumpur, Malaysia, March 19, 2016. (Photo: Xinhua/Chong Voon Chung)
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Photo taken on March 19, 2016 shows the Petronas towers after the lights were switched off during the Earth Hour campaign in Kuala Lumpur, Malaysia, March 19, 2016. (Photo: Xinhua/Chong Voon Chung)
