Urban decay
Urban decay is the process in which a city or area goes into conditions of disrepair or becomes decrepit or filled with blight. Urban decay involves white flight, population changes, depopulation, economic troubles, high local unemployment, higher than usual crime and political issues. Blight is associated with condemned properties, empty lots and deserted areas that often attract criminal activity. That includes squattiing in these buildings/homes,
Urban Decay Media
Many areas that suffered population decline from the 1970s still have signs of urban decay, such as this derelict building in Birkenhead, Merseyside.
Pruitt–Igoe public housing, St. Louis, Missouri. This urban renewal project was built in the 1950s; it failed and was razed in the 1970s.
Urban decay in Poznań, Poland. The tiles are cracked and covered in graffiti.