Russian icebreaker 'Rossiya' leaves Murmansk for the Gulf of Finland on probably her final voyage. Rossiya has sailed on the Northern Sea Route for nearly 30 years. It is still uncertain when she will be laid up and what will happen to the vessel afterwards. Rossiya was taken into service in 1985, as the world’s fourth nuclear-powered icebreaker. In 1990 she became the first Soviet vessel to take foreign tourists to the North Pole. The first time a nuclear-powered icebreaker…