Indoor nature

I do not want to think that nature is only what is outdoor. Though I think it is the right way of thinking. But we, people, sometimes create a little piece of nature indoors, too. We grow tiny plants which will grow big one day, so big that we have to take them outside, where it gets one with the outdoor nature....anyway, I am sure this thought is stupid, but I like the fact that we can add more to nature if we do it the right way.