토론:미생물 오염

지구 방문

"The world here is quite unique in the development of its biology and the temperateness of its climate. This, of course, has been known for some time by races who have visited here. But because of its biological richness, it has been difficult for many races to settle here, because of the world’s specific atmospheric conditions and because of the presence of so many biological entities."

종족 간 상호작용

"Many advanced races live underground where they are able to sterilize their environment and thus protect their populations from disease very effectively.

같이 보기

• Tourism

• Trade

• Underground living