In Lakota mythology, Wakan Tanka is a term for the spirit which resides in every thing--similar to a god. Every creature and object has a wakan, such as wanka tanka kin, the wakan of the sun.
... falls, the Rio Negro, São Francisco[?], Xingu, Madeira and the Tapajós[?] rivers.
Situated along the equator, Brazil's climate is predominantly tropical[?], with ...