Earth orbit Ring World（地球轨道环形世界）

这是一个在地球轨道上的环形世界，它由四段居住区，四个太空港和四座太空电梯组成。起初这只是一个太空电梯港口，规模慢慢地扩建，最终倾泻大量资源建造而成。每个太空港配备4门重炮，每个居住区配备21门重炮，这些大炮用来拦截袭来的小行星或者是太空垃圾。当然，它们也可以对付敌人。
This is a Ring world in Earth orbit, which consists of four residential areas, four spaceports and four Space elevator. At first, it was just a Space elevator port, which was gradually expanded, and finally poured a lot of resources to build it. Each spaceport is equipped with 4 heavy guns, and each residential area is equipped with 21 heavy guns, which are used to intercept the incoming asteroids or Space debris. Of course, they can also deal with enemies.