The city is a patchwork of micro economies and small businesses, all existing because of the waste management industry. Whether building a new home, floor or room, recycling is considered as the focal point of any design decision. While typical housing is traditionally designed to dispose and reject its garbage, homes in Garbage City are kept open to manage a constant flow of waste.
It is only about forty years now, that Cairo has a Sanitation Department; never had one before, more to satisfy the civilities of doing business with 'the West' it seems...