[Second Book] The Colony-Story of citizens

Story takes place in near future, where mankind is occupied by unknown alien force.
Cities are separated by great walls, which are 100 feets high and also deep.
Numbers of colonies is known only to the people in the goverment.
These colonies are governed by human personnel, they are under command of the aliens.

Disclaimer: This story is just inspirated by american tv show Colony.
My story is only inspirated by this series and I dont hold any right on any copyrighted material mentioned in my story.
All right reserved for USA Network