North America I

North America I is one of the space city in the Bunker World. It is the closest city to Asia I and have a spherical construction. Unlike Asia I, small spacecraft could enter the city directly from the gateway at the north pole. There is only one artificial sun in it.

the equator was the lowest point in the city’s simulated gravity, and all the city’s water naturally collected there, forming a sparkling, undulating belt for the city.The water in the sea came from Europa. The dikes along the edge of the sea closest to Jupiter were higher, to avoid the water spilling out when the city accelerated during position adjustments. Even so, when the city had to engage in unexpected maneuvers, small-scale flooding would occur from time to time.

North America I had been completed early on. With a radius of twenty kilometers and twenty million inhabitants, it was the largest city by population. It acted as the prosperous commercial center for all the Jovian cities. Cheng Xin visited this space city in the Death's End.