A worker operates a machine at the Asse nuclear waste disposal centre in a unused mine near the German village of Remlingen September 9, 2010. The 100-year-old mine in the Asse mountain chain in Lower-Saxony was filled with around 126,000 barrels of Low-Activity Waste (LAW) and Medium-Activity Waste (MAW) between 1967 to 1978. REUTERS/Nigel Treblin/Pool (POLITICS ENERGY ENVIRONMENT)