Composed by the States of Paraná, Santa Catarina and Rio Grande do Sul, the south has grown into an incredible industrial deveolpment in the last fifty years. It concentrates the largest contingents of european immigrants during the 20th century, mainly from Italy, Germany and Poland, whose influence is strongly reflected in the local culture and architecture. At the very south of Brazil, the city of Iguassu Falls is one of the most famous destinations for tourists lodging gigantic water falls in the National Park of Iguassu, in the frontier with Argentine and Paraguay.