In 2046, the overpopulation of Earth has led to the colonization of Mars—with the aid of the "first type" androids, men were able to begin terraforming the unfriendly environment of Mars and build the city Saint Lowell.
2046年，地球的人口问题造成了火星的被殖民化——在“一类” 机器人的帮助下，人类开始能够将火星的不友好环境地球化并将圣洛厄尔市建成。