“Chantelle Pydyn (top) laughs with joy at the top of a ridge in the North Cascades range in Washington. Despite the presence of encroaching wildfires and not having enough food to eat, she endures her month as a participant in the Stone Age Living Project with aplomb. Taken in August 2014. Lynx Vilden (bottom) is one of the world’s foremost experts on primitive skills—the technologies people practiced before the advents of agriculture and metal. Vilden says she is trying to recover an ancient lifeway that can resolve the tensions between human technology and wild nature. Taken in June 2014.”