The given maps provide information about developments that have taken place at Queen mary hospital for over 40 years.
Overall, it is seen clearly from three maps that the hospital expanded its building throughout the time. Meanwhile, there were added new services like the cancer centre, pharmacy, and nursing school during the given period.
To embarks with, in 1960, the hospital located on the right side of the map beside the shopping centre. The shopping centre was transformed into a cancer centre and pharmacy in 1980.
In 1980, the nursing school was built in the place of farmland, while the space of car parking remained the same for twenty years.
By contrast, in 2000, the main building of the hospital and pharmacy were both remained in the same positions. However, the size of both a nursing school and a car park were reduced in 2000. Moreover, during 1980 to 2000, the cancer centre showed drastically increments in its’ building, which hold nearly one-third of the place as per map in 2000. 
The  
given
  maps
 provide information about developments that have taken place at Queen  
mary
  hospital
 for over 40 years. 
Overall
, it is  
seen
  clearly
 from three  
maps
 that the  
hospital
 expanded its building throughout the time. Meanwhile, there were  
added
 new services like the cancer  
centre
, pharmacy, and nursing school during the  
given
 period.
To embarks with, in 1960, the  
hospital
 located on the right side of the  
map
 beside the shopping  
centre
. The shopping  
centre
  was transformed
 into a cancer  
centre
 and pharmacy in 1980.
In 1980, the nursing school  
was built
 in the place of farmland, while the space of car parking remained the same for twenty years.
By contrast, in 2000, the main building of the  
hospital
 and pharmacy were both remained in the same positions.  
However
, the size of both a nursing school and a car park were  
reduced
 in 2000.  
Moreover
, during 1980 to 2000, the cancer  
centre
  showed
  drastically
 increments in  
its’
 building, which hold  
nearly
 one-third of the place as per  
map
 in 2000.