1-IntroductionCities are usually associated with economic growth and development, because the consequences of social inequality, poverty, rising crime and corruption, environmental crises, inequality and class differences, lack of social security, early childhood and maternal mortality, poor housing and homelness, informal settlements, ete... can be noted in this format. Income countries and international financial institutions. Decreasing poverty is a global concern, and in fact one of the maingoals of low-Poverty comes from the mechanisms governing the complex urban system, these mechanisms instead of reduce inequalities in Third World countries, have intensified it.