2 cities: 1 carefully planned by french architect. 2nd city ----------------: a city in columbia. Background: located in a valley that expands along the medellin river, spring water all year long, highly dense due to informal urbanization that took place throughout the 20th century. Urbanization process: middle-size city, rare for s. a, most industrialized city, rampant urbanization in the 1940s, city not ready to receive migrants, so they ran out of land space, face economic crisis in the 1080s because of globalization. Medellin, a city of contrasts: el poblado - upper class neighbourhood. 1991 it became the most violent city in the world. Participation in the statute: council take place in national, state and municipal level. They would meet up every month: everything has to be passed through this council before going before the legislature, conferences, national, state and municipal level. Decentralization & local government: federal system: central, 27 states and 5561 municipalities, great deal of heterogeneity.