The two maps compare the layout of Petland in 1980 and 2007. Overall, the area has undergone significant modernization with the building of many houses and multi storey car park. However, these changes came at the expense of industrial area and grassland.
In 1980, Pentland has limited range of facilities. There was a Grassland at the bottom of the map. While industrial area situated in the west, car park was occupied on the other side. There was a sea located on the top of the Pentland. The roads located in the city which is divided into four side, and each side had a grassland.
By 2007, there were multi-storey car park and swimming pool, which resulted in diappearance of the industrial area. The sea was replaced by yatch marina. Many shops were build along the roads. New cinema was constructed in the west south of the area. A lot of houses was introduced in the east south of the Petland. The car park once situated in the east of the map disappeared. New apartments, and parks were build in the north of the area.