english: They have been expanding, urbanization has been expanding, at an exponential rate in the last 200 years so that by the second part of this century, the planet will be completely dominated by cities.
non_english: Oni se uvećavaju, stopa urbanizacije raste eksponencijalnom stopom u poslednjih 200 godina tako da će u drugoj polovini ovog veka gradovi u potpunosti dominirati planetom.