There were four key components to Jacobs' plan to stimulate diversity; areas should have multiple functions, blocks should be short, buildings of varying age and condition should be present, and there should be sufficient population density to allow for such diversity within. For Jacobs these four keys started just outside the front door, he recognized the importance the street had in cultivating diversity and how a lack of safety on the streets could negatively impact it: “The problem of “Insecurity on sidewalks and at doorsteps is just as bad in cities that have made conscientious efforts to rebuild as in those that have delayed” (J. Jacobs…). While planners often made efforts to make streets safer, he felt they missed the point and that in some ways neighborhoods were even tailor-made for easy crime. The orthodox approach was that if green space such as a park was provided nearby then it would provide an area for safe play and recreation within the city, however it was often the case that issues of insecurity in the streets spilled over into in the park as GOOD. “It is useless to try to avoid the problem of unsafe cities by trying to create