Brazilians are fearing further catastrophic landslides, after walls of muddy water tore through towns and claimed nearly 550 lives in the country's worst-ever flood disaster.
Mwanza tunajifunza nini kutoka Brasil; watu wameng'ang'ania kupigana vikumbo na majabari ya mawe, nyumba na vyoo havina msingi imara, tuangalie yasije tukuta haya