Ouro Preto (meaning Black Gold) was originally called Vila Rica, or "rich village", the focal point of the gold rush and Brazil's golden age in the 18th century and was founded on 17th centuary. The city is full of Poruguese colonial architecture embedded with few newer moderations done. And the city people are more careful when altering with the desing of the city , so they need to kepp this world heritage much safer for the future world to refer.For more