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芬兰海卢奥托岛海滩上出现大面积奇怪冰球，让人啧啧称奇！

根据芬兰芬兰气象研究所冰专家凡尼欧表示，即便冰球不常见，但这并非超自然现象，只要空气、水（接近结冰状态）条件恰到好处，就可结成冰球。

“较浅的沙质海岸、适当的冰海水起伏，也能让冰球形成。”

不过，冰球的形成也仰赖其他要件，包括雪花、海滩上小石子、甚至是沙滩上的一个小漂浮物。接近结冰状态的水会在该物体上结冰，当适当的风吹来，冰会随着海水起伏愈积愈厚。