Germany, Berlin, Mitte, typical new apartment blocks.

Germany, Berlin, Information plaque denoting location of the former Hitler Bunker, now a car park and apartment block.

Germany, Berlin, Information plaque denoting location of the former Hitler Bunker, now a car park and apartment block.

Spain, Catalonia, Barcelona, Eixample, Typical apartment building facade with balconis, flying Catalan independence flags.

Spain, Catalonia, Barcelona, Eixample, view over residential apartment buildings.

Spain, Catalonia, Barcelona, Eixample, view over residential apartment buildings.

Spain, Catalonia, Barcelona, Eixample, view over residential apartment buildings.

Spain, Catalonia, Barcelona, Barceloneta, Exterior of apartment block building.

Spain, Catalonia, Barcelona, Barceloneta, Exterior of apartment block building.

England, West Sussex, Bognor Regis, Satelite dishes on exterior of flats.

England, West Sussex, Bognor Regis, Satelite dishes on exterior of flats.

China, Jiangsu, Nanjing, Woman in a blue sweater and sneekers relaxing in a municipal park spinning a top with a multicoloured tail with an apartment block in the background.