View of the coal fired-power station at the center of an environmental protest where villagers have been clashing with police in the town of Haimen, Guangdong Province on December 22, 2011.  Demonstrations over a power plant in southern China turned violent for a second straight day on December 21 when police fired tear-gas and beat protesters, witnesses said. At least six people were said to have been injured in the clashes with police in Haimen, a town in Guangdong province where residents are protesting against a coal-fired power plant that they say is a health hazard.            AFP PHOTO/Mark RALSTON (Photo credit should read MARK RALSTON/AFP via Getty Images)