article_snippet: Mr Higgins boarded a steamboat travelling north in 1960, but wrote a letter home on board saying: 'Something is incredibly wrong' when Mr Higgins realized it was going in the wrong direction .
article_snippet: Mr Higgins boarded a steamboat travelling north in 1960, but wrote a letter home on board saying: 'Something is incredibly wrong.'
article_snippet: All the other vessels were going down the Kasai River, but Mr Higgins was heading inland instead.