The maps compare variation of three different periods at West Park Secondary School during 1950 to 2010.

Overall, it is evident that numerous facilities had been replaced and various buildings were built in this area, including recreation, education and sports.

Looking at the diagram more closely, it is notable that parking lot had the largest area in 2010, comparing to smaller one in 1980 and no car park in 1950, respectively. Academic institute had been expanded in 1980, with a new building for science block, which replaced with the original residential scope.

A quarter of area was planned for playground in 1950 and it remained unchanged in 1980. However, the government relocated the sports field and replaced some part of playground, nearly a third in 2010. As for greenery, although it could be observed in 1950 in the map, authorities had another purpose on this area and removed the farmland in 1980, a sports field was built in 1980. Ultimately, there was an expansion of the car park in 2010 and the sport field was relocated to another place.