UN Conference on Sustainable Development concluded |
Last Updated(Beijing Time):2012-06-23 11:03 |
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Brazil's President Dilma Rousseff (R) and UN Secretary-General Ban Ki-Moon hold the gavel together during the closing ceremony of the UN Conference on Sustainable Development (Rio+20) in Rio Centro of Rio de Janeiro, Brazil, June 22, 2012. (Xinhua/Weng Xinyang) |
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