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How to learn to understand a poetry? Part 2

Let's take another situation biographical code in poem "Storm at sea". That catches the reader's eye in the first place? Unusual rhythm, exactly matching the rhythm of the sea pitching. To fully understand this text you must know that it described a real storm on the Adriatic sea, into which he once fell and did not expect to come out alive. Thus, this poem reflects the real emotions and feelings experienced by the author.