The correct answer is - Sao Paolo, Brazil.
Sao Paolo is a remarkable city. It is located in the southeastern part of Brazil. This city has experienced, and still is, a rapid development, and also its economic power is growing with each year, making it not just a regional center, but a city that is starting to have influence on the global market as well. Because of this, Sao Paolo has earned the nickname ''the South American Detroit''.