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In this episode: ???? It's hard to believe, but conquering space turned out to be easier than the north of our planet. ???? Yuri Gagarin's flight took place in 1961. And the first ship reached the North Pole only 16 years later. ???? The nuclear-powered icebreaker Arktika did it. ???? Why do icebreakers need two hulls? What secret does Wilkes Land keep? And why was a shark smile painted on a Russian icebreaker? (REN TV channel)