Sao Paulo is a "forest of skycrapers" with lots & lots of high-rise buildings. However, it is not uniform where those buildings are located--they do tend to cluster together, but there are a number of those "clusterings," and they are spaced throughout the city. In between these clusters of high-rise buildings are sizeable areas of "low-rise" (for lack of a better term) 1-2 story buildings, the vast majority of which are _____. The favelas (or areas of self-help housing) are more peripheral and tend to be located further away from the city center--although some favelas have crept their away into and amongst these other existing urban zones. Group of answer choices secondary (but not primary) schools, trade schools, and technological training centers single-family detached homes on the American model warehouses and other wholesale storage facilities storage centers and garages for homeowners who live in the high-rises retail shops and home-based businesses