FILE - Hooded violent demonstrators hurl rocks towards police water cannons behind the security fence surrounding the nuclear power plant in Brokdorf, Germany, June 7, 1986. Germany on Friday, Dec. 31, 2021 is shutting down half of the six nuclear plants it still has in operation, a year before the country draws the final curtain on its decades-long use of atomic power. (AP Photo/Heribert Proepper, file)