<prompt> Translate the following text to EnglishMnamo 1986, safu za nguzo za mawe zenye mistari nyeusi na nyeupe ziliongezwa kwenye pembe nne kuu, Cour dHonneur.  <response>: In 1986, rows of black-and-white striped stone columns were added to the main quadrangle, the Cour dHonneur. 