Abdullah bin Hamad Al-Attiyah (L), president of the 18th Conference of the Parties (COP18) to the United Nations Framework Convention on Climate Change (UNFCCC), and UNFCCC Executive Secretary Christiana Figueres (C) inspect the Qatar Sustainability Expo after its opening at the Doha Exhibition Center (DEC) in Doha, Nov. 26, 2012. Qatar Sustainability Expo, a demonstration of various environmentally-friendly technology projects from Qatar and abroad, opened at the DEC on Monday. [Xinhua]
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