These combo photos show the Taipei 101 Building before, left, and after, right, turning off its lights to mark the Earth Hour in Taipei, Taiwan, Saturday, March 23, 2013. Organised by the World Wide Fund for Nature, earth hour is observed every year to create awareness about conservation of energy and climate change. Around the world, people and organisations will be turning their lights off from 8:30 to 9:30 pm local time. (AP Photo/Chiang Ying-ying) ( Taiwan Earth Hour )