"We should get our comrades to understand that the twofold basic task of the leading bodies of the Communist Party is to know conditions and to master policy; the former means knowing the world and the latter changing the world." -Mao Zedong, 1941, Reform our Study
A human pipe effigy, it appears to offer a tantalizing glimpse at the faces of the people of the site. At the Mantle site archaeologists have discovered 200,000 artifacts, LiveScience takes a look at a selection of them in this photogallery. Photo by Owen Jarus
