The maps illustrate how the city has changed since 1950. Overall, the city has undergone impressive developments in terms of residential zone, landscape and infructructures.
In 1950, located at the northern part of a river, the city accommodated 20000 people and the city has been dissected the business district by major roads, which running from the north to the south, and the west to the east. There was an airport located at the right of the map, and a government building at the southern of the river was accessed via a brige.
In comparision, local people is approximately 200000, ten times higher than before, which causing an extension of all directions. The commercial and housing area are not only enlarged but also cover the old government building, as well as a new building of government is construted at the bottom of the map. The river is dammed, which is the reason of the establishment of the lake and a new birdge between the old one and the dam. There is a new road linking the southern road and the eastern road is put up, while the airport has also increased remarkably in size