 | Clouds of chlorine gas billow from a chemical reaction involving bleaching powder and disinfectant near a refugee camp in earthquake-hit Leigu Town of Beichuan County, Sichuan province May 29, 2008 click to open  |
 | Paramilitary policemen react while being carried away from bleaching powder and disinfectant while chlorine gas billows in a chemical reaction near a refugee camp in earthquake-hit Leigu Town of Beichuan County, Sichuan province May 29, 2008 click to open  |
 | Paramilitary policemen remove bleaching powder and disinfectant while chlorine gas billows in a chemical reaction near a refugee camp in earthquake-hit Leigu Town of Beichuan County, Sichuan province May 29, 2008 click to open  |
 | A resident walks away from bleaching powder and disinfectant while chlorine gas billows in a chemical reaction near a refugee camp in earthquake-hit Leigu Town of Beichuan County, Sichuan province May 29, 2008. click to open  |
 | A paramilitary policeman is carried away from bleaching powder and disinfectant while chlorine gas billows in a chemical reaction near a refugee camp in earthquake-hit Leigu Town of Beichuan County, Sichuan province May 29, 2008 click to open  |