Martin Luther Kinga s famous speech has bells ringing today on 50th anniversary

The final refrain of Martin Luther King Jr.'s most famous speech will echo around the world as bells from churches, schools and historical monuments “let freedom ring” in celebration of a powerful moment in civil rights history.

http://www.pasadenastarnews.com/general-news/20130828/martin-luther-kings-famous-speech-has-bells-ringing-today-on-50th-anniversary