func (w World) String() string {
    var buf = new(bytes.Buffer)

    fmt.Fprintf(buf, "Name\t:\t%s\n", w.Name)
    fmt.Fprintf(buf, "Culture\t:\t%s\n", w.Culture)
    fmt.Fprintf(buf, "Atmosphere\t:\t%s\n", w.Atmosphere)
    fmt.Fprintf(buf, "Temperature\t:\t%s\n", w.Temperature)
    fmt.Fprintf(buf, "Biosphere\t:\t%s\n", w.Biosphere)
    fmt.Fprintf(buf, "Population\t:\t%s\n", w.Population)
    fmt.Fprintf(buf, "Tech Level\t:\t%s\n", w.TechLevel)
    fmt.Fprintln(buf, "\t\nTags\t")
    fmt.Fprintf(buf, w.Tags[0].String())
    fmt.Fprintln(buf, "\t")
    fmt.Fprintf(buf, w.Tags[1].String())
    fmt.Fprintln(buf, "\t")

    if !w.Primary {
        fmt.Fprintf(buf, "%s\t:\t%s\n", Other.Origin.Name, w.Origin)
        fmt.Fprintf(buf, "%s\t:\t%s\n", Other.Relationship.Name, w.Relationship)
        fmt.Fprintf(buf, "%s\t:\t%s\n", Other.Contact.Name, w.Contact)
    }

    return buf.String()
}