The city ALPHA is position on the far side of Mars. the city is in a dome to protect and is 120km wide and 100km's long. enough to fit a civilisation on it. it is round on one side to fit just around a canyon. The other side is on an angle because there is a grate mountain so we have buitl around these objects. from the main building in the center of the city you can see the largest mountain in the universe recoreded so far. it is a great view and an exciting place to be.