The two maps depict the main changes that occurred in office building over the last century.
Overall, the area experienced significant redevelopment. Canteen facilities and grassland were transformed into office rooms and meeting area, while some buildings remained in its original position.
In the north-west section, the kitchen and the canteen were removed to make way for 2 office buildings, but the storeroom which located in top right hand corner was remained unchanged. Furthermore, the WCs building was relocated in the northeast part of the building, reducing its original storage place and the coffee shop also was constructed near the storeroom.
The sitting facility was added in both bottom left and right hand corner by removing green areas. Moreover, grassland in the west section was converted into outdoor seating area and in the east grassy area was altered to meeting space. Additionally, 4 office rooms in the southeast part of the building were divided into two section with the introduction of new entrance between them.