I. PROCESS OF URBANIZATION AND CHANGES IN THE ENVIRONMENT
C. Heavy industrial base in the new China
3.Urbanization expansion in the region
The progress of urban expansion in the region is most clearly indicated by the growth of the city proper. In the early post-liberation period, recovery and reconstruction of the city were the major undertakings. By 1956, a built-up area of 1l6.89 km2 had been completed. Then the process entered the second stage of rapid expansion in region, and the built-up area was expanded to 157.78 km2 in 1976.