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本期封三简介人类乘雪橇、车船到极地探险的历史可以追溯到几百、上千年前,但从空中征服极区却是气球、飞艇和飞机诞生之后才得以实现。安德列的气球飞行第一个试图乘气球飞越北极的人是瑞典人萨罗门·奥古斯特·安德列。安德列生于1854年,是瑞典第一位飞行员。1894年,他开始为飞越北极四处筹款。在2年准备期间,他们专门制作了一只“鹰”号热气球,其气囊用双层中国
In this issue, the history of man-made sledding and the exploration of polar expeditions can be traced back to hundreds of thousands of years ago. However, it was only after the balloon, airships and planes were conquered in the polar region from the air. Andrea’s Balloon Flight The first man trying to fly a balloon over the North Pole was the Swedish Salome August André. Born in 1854, Andrea was the first pilot in Sweden. In 1894, he began raising funds for flying over the North Pole. During the 2 years of preparation, they made a special “Eagle” hot air balloon, the balloon with double China