Masked anti-nuclear protester walks through the woods and over fields near the village of Metzingen November 26, 2011, to block a train carrying nuclear waste. The Castor (Cask for Storage and Transport Of Radioactive material) train is carrying 11 containers of spent German nuclear fuel on route from France after being reprocessed, to the nuclear waste storage facility of Gorleben in north eastern Germany this weekend. REUTERS/Wolfgang Rattay GERMANY (ENVIRONMENT POLITICS CIVIL UNREST)