Policemen teach villagers fire prevention knowledge in a courtyard in Gulong township, Longli county, Southwest China's Guizhou province, February 3, 2010. Villagers living in Gulong, one of the province's most remote areas and most the buildings are made of wood which are easy to catch fire, have to store fuel for trucks and motorbikes because of an absence of gas stations in town. [Photo/CFP]