The two colossal cooling towers at the decommissioned Grafenrheinfeld nuclear power plant in central Germany are set to be demolished in controlled blasts this coming Friday. Standing 143 metres high with a base diameter of approximately 105 metres and a top diameter of about 64 metres, the two towers have been a fixture of the skyline south of the city of Schweinfurt. If all goes according to plan, they will be flattened within seconds of each other by rapid implosions on August 16. Spectators have been told they can watch the scene unfold from afar, with no ear protection or face masks neces…