Une tempête de sable fait tomber trois salles de classes…à Podor
A gigantic cloud of dust known as "Haboob" advances over Khartoum 29 April 2007. These seasonal type of monsoons can reach a height of 3000 feet and can change the landscape in the few hours they last. Climate change experts from around the world are holding a meeting in Bangkok to find ways of lowering emissions of greenhouse gases to head off the worst effects of global warming. At least 400 experts from about 120 countries are attending the third session of the Intergovernmental Panel on Climate Change (IPCC), the UN's leading authority on global warming. AFP PHOTO/STR