寒武纪时期的地球,是一个海洋的世界。动物在水里迅速地进化,陆地在海底慢慢地形成。具有硬壳的动物第一次大量地出现,许多大陆都被浅海所覆盖,一块叫做“冈瓦那”的超大陆,正在南极附近形成。这个时候的云南,有三块陆地从海里升起。这就是西边的高黎贡 The earth of the Cambrian era was an oceanic world. The animals rapidly evolved in the water and the land formed slowly over the sea floor. For the first time, hard-shelled animals appeared in abundance. Many of the continents were covered by shallow seas. A supercontinent called Gondwana was forming near Antarctica. At this time in Yunnan, three land rises from the sea. This is the west of Gaoligong