Akiko Yoshida, from Friends of the Earth in Tokyo, looks on as people take radiation readings at the stone marker on the site of buried nuclear waste from the Manhattan Project at Red Gate Woods in Palos Township, Illinois, Monday, December 3, 2012. | Joseph P. Meier~Sun Times Media
Akiko Yoshida, from Friends of the Earth in Tokyo, looks on as people take radiation readings at the stone marker on the site of buried nuclear waste from the Manhattan Project at Red Gate Woods in Palos Township, Illinois, Monday, December 3, 2012. | Joseph P. Meier~Sun Times Media
Anti-nuclear supporters marking the 70th anniversary of the Manhattan Project gathered to take radiation readings and look around the buried nuclear waste site at Red Gate Woods in Palos Township, Illinois, Monday, December 3, 2012. | Joseph P. Meier~Sun Times Media
Nikos Pastos, from the Center For Water Advocacy, casts his shadow on a stone marker while photographing the buried nuclear waste site of the Manhattan Project on its 70th anniversary at Red Gate Woods in Palos Township, Illinois, Monday, December 3, 2012. | Joseph P. Meier~Sun Times Media
Nikos Pastos, from the Center For Water Advocacy, casts his shadow on a stone marker while photographing the buried nuclear waste site of the Manhattan Project on its 70th anniversary at Red Gate Woods in Palos Township, Illinois, Monday, December 3, 2012. | Joseph P. Meier~Sun Times Media
Gail Snyder, of Homer Glen, talks with others about the radiation readings she is getting on her meter at the site of the buried nuclear waste from the Manhattan Project at Red Gate Woods in Palos Township, Illinois, Monday, December 3, 2012. | Joseph P. Meier~Sun Times Media
Anti-nuclear supporters marking the 70th anniversary of the Manhattan Project walk past capped well heads surrounding the buried nuclear waste site at Red Gate Woods in Palos Township, Illinois, Monday, December 3, 2012. | Joseph P. Meier~Sun Times Media
Anti-nuclear supporters marking the 70th anniversary of the Manhattan Project walk past capped well heads surrounding the buried nuclear waste site at Red Gate Woods in Palos Township, Illinois, Monday, December 3, 2012. | Joseph P. Meier~Sun Times Media
Nikos Pastos, from the Center For Water Advocacy, takes a last minute photograph of the stone marker at the buried nuclear waste site of the Manhattan Project as a group departs following a tour of the area at Red Gate Woods in Palos Township, Illinois, Monday, December 3, 2012. | Joseph P. Meier~Sun Times Media
Seventy years and a day after the first atomic chain reaction, opponents of nuclear energy gathered Monday at a forest preserve in Palos Township. The peaceful Red Gate Woods is where radioactive waste was buried decades ago on a site topped with a granite marker …