> Longer roads, longer sidewalks, longer water and sewer pipes. Digging a trench for that new pipe out in boonies over a dirt field can be done in an afternoon

> Longer roads, longer sidewalks, longer water and sewer pipes. Digging a trench for that new pipe out in boonies over a dirt field can be done in an afternoon by one guy with a backhoe. Putting in the same length of pipe underground in Manhattan will probably take a decade and astronomical amount of money.