Oltenia or Lesser Wallachia is a historical province of Romania. It is situated between the Danube, the Carpathian Mountains and the Olt[?]. The latter river is the border between Oltenia and Muntenia[?] or Greater Wallachia.
... with its impressive Iguaçu[?] falls, the Rio Negro, São Francisco[?], Xingu, Madeira and the Tapajós[?] rivers.
Situated along the equator, Brazil's climate is ...