Tianbian is the second city to be founded on Mars. Its structure was constructed from the remains of the Gan De, a Chinese colony ship that is one of the largest ever built. This article is a stub. You can help Android Universe Wiki by expanding it. Retrieved from "https://android-universe-fan.fandom.com/wiki/Tianbian?oldid=6842" Categories: Article stubs Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.