The northern region consists of an arc of glaciated mountain peaks with an extremely cold climate at the highest elevations.

北部区域由呈弧线冰雪覆盖的山峰组成，最高点的气候极度寒冷。

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Also, in the cold region sea and so on, natural environment is extremely bad condition, the durability of the concrete structure is other important research topic.

又，在寒冷地域的海上等自然环境相当恶劣条件下混凝土结构的耐久性问题是另外一个重要研究题目。

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