Duplicate the city three times and relocate the cities.
I created five roads by using another box. I narrowed and shortened the box and changed the color to white. Then I duplicated it four times to get four more roads.
I used a box and made it into a rectangle. Then I used a pyramid and extended and heightened it to fit on top of the rectangle.
In order to make more of the settlements, I first grouped the pyramid and rectangle and changed the color to white. Then duplicated it four times and relocated the duplicated settlements.
All you have to do to change the color of the whole set is group everything and change their colors.
To zoom in, go up and down.
Changing the looks.