During the 1960s-1970s and began to move from rural population and labor into cities to work in factories. Expansions of the city quickly, respectively, shown from Figure 1.
During the 1960s-1970s and began the migration of the population from the countryside to the city. In order to work in industry The rapid expansion of the city by showing the Figure 1.
In the 1960s-1970s and start what the labor movement and population from rural areas to cities. To work in the factories. The expansion of the city quickly respectively shows from Figure 1.