translation.en: And you see these structures, this thing we call the Great Wall, but there are voids and those kinds of stuff, and they kind of fade out because the telescope isn't sensitive enough to do it.
translation.zh: 然后你就看到了这样的结构，我们管这个叫长城 但是这中间有空洞什么的东西，他们都比较暗 那是因为天文望远镜没有那么高的敏感度